A a. c .balance indicator,交流平衡指示器 a. c. bridge,交流电桥 a. c. current calibrator,交流电流校准器a. c. current distortion,交流电流失真 a. c. induced polarization instrument,交流激电仪 a. c. potentiometer,交流电位差计a. c. resistance box,交流电阻箱a. c. standard resistor,交流标准电阻器 a. c. voltage distortion,交流电压校准器a. c. voltage distortion,交流电压失真 Abbe comparator,阿贝比长仪 aberration,象差 ability of anti prereduced component,抗先还原物质能力 ablative thickness transducer [sensor],烧蚀厚度传感器abrasion testing machine,磨损试验机 absolute calibration,绝对法校准 absolute coil,独立线圈 absolute error,绝对误差 (absolute)error of measurement,测量的（绝对）误差absolute gravimeter,绝对重力仪 absolute gravity survey,绝对重力测量 absolute humidity,绝对湿度absolute method,绝对法 absolute moisture of the soil,土壤（绝对）湿度 absolute pressure,绝对压力 absolute(pressure transducer,绝对压力表absolute pressure transducer[sensor],绝对压力传感器 absolute read-out,单独读出 absolute resolution,绝对分辨率 absolute salinity,绝对盐度 absolute stability,绝对稳定性absolute stability of a linear system,线性系统的绝对稳定性 absolute static pressure of the fluid,流体绝对静压 absolute temperature scale,绝对温标absorbance,吸光度absorbed current image,吸收电流象 absorptance,吸收比absorptiometer,吸收光度计 absorption cell,吸收池 absorption coefficient,吸收系数 absorption correction,吸收修正 absorption edges,吸收边absorption factor,吸收系数 absorption hygrometer,吸收温度表 absorption spectrum,吸收光谱absorption X-ray spectrometry,吸收X射线谱法 absorptivity,吸收率absorptivity of an absorbing,吸引材料的吸收率 abstract system,抽象系统 abundance sensityivity,丰度灵敏度AC-ACLVDT displacement transducer,交流差动变压器式位移传感器 accelerated test,加速试验 accelerationg voltage,加速电压acceleration,加速度acceleration error coefficient,加速度误差系数 acceleration of gravity,重力加速度acceleration simulator,加速度仿真器 acceleration transducer[sensor],加速度传感器 accelerometer,加速度计acceptance of the mass filter,滤质器的接收容限 acceptance test,验[交]收检验access,存取 access time,存取时间 accessibility,可及性 accessories of testing machine,试验机附件 accessory(for a measuring instrument),（测量仪表的）附件 accessory hardware,附属硬件 accessory of limited interchangeability,有限互换附件accumulated error,积累误差accumulated time difference,累积时差 accumulative raingauge,累积雨量器accumulator,累加器 accuracy,精[准]确度accuracy class,精[准]确度等级accuracy limit factor(of a protective current transformer）, （保护用电流互感器的）精确度极限因数accuracy of measurement,测量精[准]确度accuracy of the wavelength,波长精确度 accuracy rating,精确度限acetylene(pressure)gauge,乙炔压力表 acetylene regulator,乙炔减压器 acoustic amplitude logger,声波幅度测井仪acoustic beacon,水声信标 acoustic current meter,声学海流计 acoustic element,声学元件 acoustic emission,声发射 acoustic emission amplitude,声发射振幅 acoustic emission analysis system,声发射分析系统acoustic emission detection system,声发射检测系统acoustic emission detector,声发射检测仪 acoustic emission energy,声发射能量 acoustic emission event,声发射事件acoustic emission preamplifier,声发射前置放大器acoustic emission pulser,声发射脉冲发生器acoustic emission rate,声发射率 acoustic emission signal processor[conditioner],声发射信号处理器acoustic emission rate,声发射信号 acoustic emission source location and analysis system,声发射源定位及分析系统 acoustic emission source location system,声发射源定位系统acoustic emission source,声发射源 acoustic emission spectrum,声发射频谱acoustic emission technique,声发射技术acoustic emission transducer[sensor],声发射换能器acoustic fatigue,声疲劳acoustic impedance,声阻抗acoustic logging instrument,声波测井仪acoustic malfunction,声失效 acoustic matching layer,声匹配层 acoustic(quantity)transducer[sensor],声（学量）传感器 acoustic ratio,声比 acoustic releaser,声释放器 acoustic resistance,声阻 acoustic thermometer,声学温度计；声波温度表 acoustic tide gauge,回声验潮仪 acoustic transponder,声应答器acoustical frequency electric,声频大地电场仪 acoustical hologram,声全息图 acoustical holography,声全息 acoustical holography by electron-beam scanning,电子束扫描声全息acoustical holography by laser scanning,激光束扫描声全息 acoustical holography by mechanical scanning,机械扫查声全息acoustical imaging by Bragg diffraction,布拉格衍射声成像acoustical impedance method,声阻法 acoustical lens,声透镜acoustically transparent pressure vessel,透声压力容器acquisition time,取数据时间actinometer,光能计；直接日射强度表；日射表 (active)energy meter,（有功）电度表 active gauge length,有效基长 active gauge width,有效基宽 active metal indicated electrode,活性金属指示电极active remote sensing,主动遥感 active transducer[sensor],有源传感器activity,活度 activity coefficient,活度系数actual material calibration,实物校准actual time of observation,实际观测时间 actual transformation ratio of voltage transformer,电压互感器的实际变化 actral transformation ratio of current transformer,电流互感器的实际变化 actual value,实际值 actual voltage ratio,实际电压比 actuator,执行机构；驱动器 actuator bellows,执行机构波纹管 actuator load,执行机构负载 actuator power unit,执行机构动力部件actuator sensor interface(ASI),执行器传感器接口 actuator shaft,执行机构输出轴actuator spring,执行机构弹簧actuator stem,执行机构输出杆 actuator stem force,执行机构刚度 actuator travel characteristic,执行机构行程特性adaptation layer,适应层 adaptive control,（自）适应控制adaptive control system,适应控制系统adaptive controller,适应控制器adaptive prediction,适应预报 adaptive telemetering system,适应遥测系统adder,加法器addition method,叠加法additional correction,补充修正 additivity of mass spectra,质谱的可迭加性 address,地址 adiabatic calorimeter,绝热式热量计adjust buffer total ion strength,总离子强度调节缓冲剂 adjustable cistern barometer,动槽水银气压表 adjustable relative humidity range,相对湿度可调范围adjustable temperature range,温度可调范围 adjusted retention time,调整保留时间 adjusted retention volume,调整保留体积 adjuster,调整机构；调节器 adjustment,调整 adjustment bellows,调节波纹管 adjustment device,调整装置adjusting pin,校正针adsorbent,吸附剂 adsorption chromatography,吸附色谱法 aerial camera,航空照相机 aerial remote sensing,航空遥感aerial surveying camera,航摄仪aerodynamic balance,空气动力学天平 aerodynamic noise,气体动力噪声 aerograph,高空气象计aerogravity survey,航空重力测量aerometeorograph,高空气象计aerosol,县浮微料；气溶胶aging of column,柱老化agitator,搅拌器agricultural analyzer,农用分析仪 air-borne gravimeter,航空重力仪 air capacitor,空气电容器air consumption,耗气量air damper,空气阻尼器 air-deployable buoy,空投式极地浮标 air-drop automatic station,空投自动气象站 air duct,风道air gun,空气枪air inlet,进风口air lock,气锁阀air-lock device,锁气装置air outlet,回风口 air pressrue balance,空气压力天平 air pressure test,空气压力试验 air sleeve,风（向）袋 air temperature,气温air-tight instrument,气密式仪器仪表 air to close,气关air to open,气开airborne electromagnetic system;AEM system,航空电磁系统 airborne flux-gate magnetometer,航空磁通门磁力仪 airborne gamma radiometer,航空伽玛辐射仪airborne gamma spectrometer,航空伽玛能谱仪airborne infrared spectroradiometer,机载红外光谱辐射计 airborne optical pumping magnetometer,航空光泵磁力仪 airborne proton magnetometer,航空甚低频电磁系统 airborne XBT,机载投弃式深温计airgun controller,气控制器 airmeter,气流表 alarm summery panel,报警汇总画面 alarm unit,报警单元albedograph,反射计alcohol thermometer,酒精温度表 algorithm,算法 algorithmic language,算法语言alidade,照准仪alignment instrument,准线仪alkali flame ionization detector(AFID),碱焰离子化检测器 alkaline error,碱误差alkalinity of seawater,海水碱度 all-sky camera,全天空照相机all-weather wind vane and anemometer,全天候风向风速计 allocation problem,配置问题；分配问题allowable load impedance,允许的负载阻抗 allowable pressure differential,允许压差allowable unbalance,许用不平衡量alpha spectrometer,α粒子能谱仪alternating[exchange]load,交变负荷 alternating-current linear variable differential transformer(AC-ACLVDT), 交流极谱仪 alternating temperature humidity test chamber,交变湿热试验箱altimeter,高度计 altitude angle,高度角altitude meter,测高仪 ambient humidity range,环境湿度范围 ambient pressure,环境压力 ambient pressure error,环境压力误差ambient temperature,环境ambient temperature range,环境温度范围 ambient vibration,环境振动 ambiguity error,模糊误差ammeter,电流表ammonia(pressure)gauge,氨压力表amount of precipitation,雨量amount of unbalance,不平衡量amount of unbalance indicatior,不平衡量指示器ampere-hour meter,安时计amplitude,幅值amplitude detector module,振幅检测组件amplitude error,振幅误差amplitude modulation(AM),幅度调制；调幅amplitude-phase error,幅相误差 amplitude ratio-phase difference instrument,振幅比—相位差仪 amplitude response,幅值响应 analog computer,模拟计算机analog control,模拟控制analog data,模拟数据analog deep-level seismograhp,模拟深层地震仪analog input,模拟输入 analog magnetic tape record type strong-motion instrument,模拟磁带记录强震仪analog model,模拟模型 analog output,模拟输出analog seismograph tape recorder,模拟磁带地震记录仪analog simulation,模拟仿真analog stereopotter,模拟型立体测图仪analog superconduction magnetometer,模拟式超导磁力仪 analog system,模拟系统 analog telemetering system,模拟遥测系统 analog-to-digital conversion accuracy,模-数转换精确度 analog-to-digital conversion rate,模-数转换速度analog transducer[sensor],模拟传感器analogue computer,模拟计算单元analogue date,模拟数据 analogue measuring instrument,模拟式测量仪器仪表 analogue representation of a physical quantity,物理量的模拟表示analogue signal,模拟试验 analogue-digital converter;A/D converter,模-数转换器；A/D转换器analogue-to-digital conversion,模/数转[变]换 analysis of simulation experiment,仿真实验分析analytical balance,分析天平analytical electron microscope,分析型电子显微镜analytical gap,分析间隙analytical instrument,分析仪器 analytical line,分析线 analytical plotter,解析测图仪analyzer tube,分析管 anechoic chamber,消声室；电波暗室 anechoic tank,消声水池 anemograph,风速计 anemometer,风速表anemometer meast,测风杆 anemometer tower,测风塔aneroid barograph,空盒气压计aneroid barometer,空盒气压表；空盒气压计aneroidograph,空盒气压计angle,角度angle beam technique,斜角法angle beam testing,斜角法angle form,角型angle of attach,冲角 angle of field of view,视场角 angle of incidence,入射角angle of refraction,折射角 angle of spread,指向角；半扩散角 angle of view of telescope,望远镜视场角 angle of X-ray projiction,X射线辐射圆锥角 angle probe,斜探头angle resolved electron spectroscopy(ARES),角分辨电子谱法angle strain,角应变 angle transducer[sensor],角度传感器 anglg-attack transducer[sensor],迎角传感器 angle valve,角形阀 angular acceleration,角加速度angular acceleration transducer[sensor],角加速度传感器 angular displacement,角加速度传感器 angular displacement,角位移 angular displacement grationg,角位移光栅angular encoder,角编码器 angular sensitivity,角灵敏度angular velocity transducer[sensor],角速度传感器annular coil clearance,环形线圈间隙 annular space,环形间隙annunciator,信号源 anode,阳极answering,应答anti-cavitation valve,防空化阀 anti-contamination device,防污染装置anti-coupling bi-frequency induced polarization instrument,抗耦双频激电仪anti-magnetized varistor,消磁电压敏电阻器 antiresonance,爱党振 antiresonance frequency,爱党振频率 anti-stockes line,反斯托克线aperiodic dampong,非周期阻尼；过阻尼 aperiodic vibration,非周期振动aperture,光阑 aperture of pressure difference,压差光阑aperture photographic method,针孔摄影法 aperture stop,孔径光栏aperture time,空隙时间apparatus for measuring d.c.magnetic characteristic with ballistic galvanometer, 冲击法直流磁特性测量装置 apparent temperature,表观温度appearance potentical,出现电位appearance potential spectrometer,出现电热谱仪appearance potential spectrometer(APS),出现电热谱法 application layer(AL),应用层application layer protocol specification,应用层协议规范application layer service definition,应用室服务定义 application software,应用软件approval,批准approximate absolute temperature scale,近似绝对温标aqueous vapour,水汽arc suppressing varstor,消弧电压敏电阻器 arctic buoy,极地浮标 area effect,面积影响area location,区域定位 area of cross section of the main air flow,主送风方向横截面积 argon-ion gun,氩离子枪annular chamber,环室 argon ionization detector,氩离子化检测器arithmetic logic unit(ALU),算术逻辑运算单元 arithmetic mean,算术平均值 arithmetic weighted mean,算术加权平均值arithmetical mean deviation of the(foughness)profile,(粗糙度）轮廓的算术平均偏差arm error,不等臂误差armature,动铁芯array,阵，阵列 array configuration,阵排列arrester varistor,防雷用电压敏电阻器articulated robot,关节型机器人 artificial defect,人工缺陷artificial environment,人工环境 artificial field method instrument,人工电场法仪器 artificial intelligence,人工智能 artificial seawater,人工海水 ash fusion point determination meter,异步通信接口适配器asynchronous input,异步输入 asynchronous transmission,异步传输 atmidometer,蒸发仪，蒸发表 atmometer,蒸发仪；蒸发表atmoradiograph,天电强度计atmosphere,气氛atmospheric counter radiation,天气向下辐射atmospheric electricity,大气电atmospheric opacity,大气不透明度 atmospheric pressure,气压atmospheric pressure altimeter,气压高度计atmospheric pressure ionization(API),大气压电离atmospherics,天电；远程雷电 atom force microscope,原子力显微镜atomic absorption spectrometry,原子吸收光谱法atomic fluorescence spectrophotometer,原子荧光光度计 atomic fluorescence spectrometry,原子荧光光谱法atomic mass unit,原子质量单位atomic number correction,原子序数修正 atomin spectrum,原子光谱atomic-absorption spectrophotometer,原子吸收分光光度计atomization,原子化atomizer,原子化器 attenuation,衰减attenuation coefficient,衰减系数 attenuation length,衰减长度 attenuator,衰减器attitude,姿态attitude transducer[sensor],姿态传感器 audio monitor,文明用语 audio-frequency spectrometer,声频频谱仪 audit,审核 Auger electron energy spectrometer(AEES),俄歇电子能谱仪 Auger electron image,俄歇电子象Auger electron spectrometer,俄歇电子能谱仪Auger electron spectroscopy(AES),俄歇电子能谱法aurora,极光auto-compensation logging instrument,电子自动测井仪 auto-compound current transformer,自耦式混合绕组电流互感器auto-polarization compensator,自动极化补偿器 autocorrelation function,自相关函数 automatic a.c.,d.c.B-H curve tracer,交、直流磁特性自动记录装置 automatic balancing machine,自动平衡机automatic control,自动控制automatic control souce of vacuum,真空自动控制电源automatic control system,自动控制系统 automatic data processing,自动数据处理automatic exposure device,自动曝光装置automatic feeder for brine,盐水溶液自动补给器automatic focus and stigmator,自动调焦和消象散装置 automatic level,自动安平水准仪automatic levelling compensator,视轴安平补偿器automatic/manual station;A/M station,自动/手动操作器 automatic programming,自动程度设计 automatic radio wind wane and anemometer,无线电自动风向风速仪automatic railway weigh bridge,电子轨道衡 automatic scanning,自动扫查automatic spring pipette,自动弹簧式吸液管automatic testing machine,自动试验机 automatic titrator,自动滴定仪 automatic tracking,自动跟踪 automatic vertical index,竖直度盘指标补偿器 automatic weather station,自动气象站 automation,自动化 automaton,自动机auxiliary attachment,辅件 auxiliary controller bus(ACB),辅助控制器总线 auxiliary crate controller,辅助机箱控制器 auxiliary devices,辅助装置auxiliary equipment(of potentiometer),(电位差计的）辅助设备auxiliary gas,辅助气体auxiliary output signal,辅助输出信号 auxiliary storage,辅助存储器 auxiliary terminal,辅助端auxiliary type gravimeter,助动型重力仪 availability,可用性 available time,可用时间average,平均值 average availability,平均可用度 average nominal characteristic,平均名义特性 average sound level,平均声级 average value of contarmination,污染的平均值average wind speed,平均风速axial clearance,轴向间隙axial current flow method,轴向通电法axial load,轴向载荷axial sensitivity,轴向灵敏度 axial vibration,轴向振动axis of rotation,摆轴；旋转轴 axix of strain gauge,应变计[片]轴线

B B-scope,B型显示 back flushing,反吹 background,后台，背景，本底 background current,基流 background mass spectrum,本底质谱 background noise,背景噪声background processing,后台处理background program,后台程度 Backman thermometer,贝克曼温度计 backscattered electron image,背散射电子象backward channel,反向信道 baffle wall,隔板balance,天平 balance for measuring amount of precipitation,水量秤 balance output,对称输出 balance quality of rotor,转子平衡精度balance wieght,平衡块 balanced plug,平衡型阀芯balancing,平衡balancing machine sensitivity,平衡机灵敏度balancing machine,平衡机 balancing speed,平衡转速ball pneumatic dead wieght tester,浮球压力计ball screw assembly,滚珠丝杠副ball valve,球阀 ballistic galvanometer,冲击栓流计 band,频带bandwidth,带宽band width of video amplifier,视频放大器频宽bar primary bushing type current transformer,棒形电流互感器 barograph,气压计 barometer cistern,气压表水银槽barometer,气压表barometric correction,气压表器差修正 barometrograph,空盒气压计barothermograph,气压温度计barrel distortion,桶形畸变；负畸变 base,基底 base line,基线base peak,基峰base unit(of measurement),基本（测量）单位baseband LAM,基带局域网 baseline drift,基线漂移 baseline noise,基线噪声baseline potential,空白电位baseline value,空白值basic NMR frequency,基本核磁共振频率basic standard,基础标准batch control,批量控制batch control station,批量控制站batch inlet,分批进样batch of strain gauge,应变计[片]批batch processing,成批处理batch processing simulation,批处理仿真 Baud,波特beam,横梁；声速beam deflector,电子束偏转器beam path distance,声程 beam ratio,声束比beam spot diameter,束斑直径 beam-deflection ultrasonic flowmeter,声速偏转式超声流量计beam-loading thermobalance,水平式热天平bearing,轴承；刀承bearing axis,轴承中心线 bdaring support,支承架 beat frequency oscillator,拍频振荡器beat method(of measurement),差拍（测量）法 Beaufort scale,蒲福风级Beckman differential thermometer,贝克曼温度计 bed,机座 Beer' law,比尔定律bell manometer,钟罩压力计bell prover,钟罩校准器bellows,波纹管bellows(pressure)gauge,波纹管压力表bellows seal bonnet,波纹管密封型上阀盖bench mark,水准点bending strength,弯曲强度bending vibration,弯曲振动bent stem earth thermometer,曲管地温表 Besson nephoscope,贝森测云器 betatron,电子回旋加速器；电子感应加速器bezel ring,盖环bias voltage,偏压bi-directional vane,双向风向标；双风信标bilateral current stabilizer,双向稳流器 bimetallic element,双金属元件bimetallic instrument,双金属式仪表 bimetallic temperature transducer[sensor],双金属温度传感器 bimetallic thermometer,双金属温度计binary coded decimal(BCD),二-十进制编码 binary control,二进制控制 binary digital,二进制数字binary elastic scattering event,双弹性散射过程binary elastic scattering peak,双弹性散射峰 binary element,二进制元 binary signal,二进制信号biomedical analyzer,生物医学分析仪 biochemical oxygen demand (BOD)microbial transducer[sensor],微生物BOD传感器 biochemical oxygen demand meter for seawater,海水生化需氧量测定仪biochemical quantity transducer[sensor],生化量传感器biological quantity transducer[sensor],生物量传感器 biosensor,生物传感器bird receiving system,吊舱接收系统bit,比特；位 bit error rate,误码率 bit serial,位串行bit-serial higgway,位串行信息公路bivane,双向风向标；双风信标black box,未知框 black light filter,透过紫外线的滤光片 black light lamp,紫外线照射装置 blackbody,黑体 blackbody chamber,黑体腔 blackbody furnace,黑体炉 bland test,空白试验 balzed grating,闪耀光栅 block,块体；字块；字组；均温块block check,块检验block diagram,方块（框）图 block length,字块长度 block transfer,块传递blood calcium ion transducer[sensor],血钙传感器blood carbon dioxide transducer[sensor],血液二氧化碳传感器 blood chloried ion transducer[sensor],血氯传感器 blood electrolyte transducer[sensor],血液电解质传感器 blood flow transducer[sensor],血流传感器blood gas transducer[sensor],血气传感器 blood-group immune transducer[sensor],免疫血型传感器 blood oxygen transducer[sensor],血氧传感器 blood PH transducer[sensor],血液PH传感器blood potassium ion transducer[sensor],血钾传感器 blood-pressure transducer[sensor],血压传感器blood sodium ion transducer[sensor],血钠传感器 blood-volume transducer[sensor],血容量传感器 blower device,鼓风装置 bluff body,阻流体Bode diagram,博德图body temperature transducer,体温传感器bolometer,辐射热计；热副射仪bomb head tray,弹头托盘honded strain gauge,粘贴式应变计bonnet,上阀盖boomerang grab,自返式取样器 boomerang gravity corer,自返式深海取样管booster,增强器bore(of liquid-in-glass thermometer),（玻璃温度计的）内孔 borehole acoustic television logger,超声电视测井仪 borehole compensated sonic logger,补偿声波测井仪borehole gravimeter,井中重力仪borehloe gravimetry,井中重力测量borehole thermometer,井温仪 bottorm echo,底面反射波 bottom flange,下阀盖bottom-loading thermobalance,下皿式热天平bottom surface,底面Bouguer's law,伯格定律 Bourdon pressure sensor,弹簧管压力检测元件Bourdon tube,弹簧管；波登管 Bourdon tube(pressure)gauge,弹簧管压力表 box gauge,箱式验潮仪 BP-scope,BP 型显示Bragg's equation,布拉格方程 braking time,制动时间 braking torque(of an integrating instrument),（积分式仪表的）制动力矩branch,分支branch cable,支线电缆 breakdown voltage rating,绝缘强度 breakpoint,断点breather,换气装置 bremsstrahlung,韧致辐射 bridge,桥接器 bridge's balance range,电桥平衡范围bright field electron image,明场电子象bridge for measuring temperature,测温电桥bridge resistance,桥路电阻brightness,亮度Brinell hardness number,布氏硬度值 Brinell hardnell penetrator,布氏硬度压头Brienll hardenss tester,布氏硬度计 broadband LAN,定带局域网 broad-band random vibration,宽带随机振动 broad band spectrum,宽波段 broadcast,广播 BT-calibrationg installation,深温计[BT]检定装置 bubble,水准泡 bubble-tube,吹气管bucket thermometer,表层温度表buffer,缓冲器 buffer solution,缓冲溶液buffer storage,缓冲存储器built-in galvanometer,内装式检流计built-in-weigthts,挂码 bulb,温包；感温泡bulb(of filled system themometer),（压力式温度计的）温包 bulb(of liquid-in-glass thermometer),（玻璃温度计的）感温泡 bulb length(of liquid-in-glass thermometer),（玻璃温度计的）感温泡长度 bulk type semiconductor strain gauge,体型半导体应变计bulk zinc oxide varistor,体型氧化锌电压敏电阻器 bump,连续冲击bump test,连续冲击试验；颠簸试验bump testing machine,连续冲击台 buoy,浮标buoy array,浮标阵 buoy float,浮标体 buoy motion package,浮标运动监测装置 buoy station,浮标站 buoyancy correction,浮力修正buoyancy level measuring device,浮力液位测量装置 burden(of a instrument transformer),（仪用互感器的）负载 burning method,燃烧法burst acoustic emission signal,突发传输bus,总线 bus line，总线 bus master,总线主设备 bus mother board,总线母板bus network,总线网 bus slave,总线从设备bus topology,总线拓扑 bus type current transformer,母线式电流互感器 bushing type current transformer,套管式流互感器busy,忙 busy state,忙碌状态 butterfly valve,蝶阀 by-pass,旁路 by-pass injector,旁通进样器 by-pass manifold,旁路接头 by-pass valve,旁通阀 Byram anemometer,拜拉姆风速表byte,字节byte frame,字节帧byte serial,字节串行 byte-serial highway,字节串行住信处公路

CC-scope,C型显示 cabinet ,柜cable noise,电缆噪声cable-tension transducer,电缆张力传感器 cable type current transformer,电缆式电流互感器cage,套筒；潜水罐笼 cage guiding,套筒导向cake adhesive retention meter,泥饼粘滞性测定仪calculated maximum flow coefficient,最大计算流量系数 calcuated nornal folw coefficient,正常计算流量系数calibrate,定标calibrated measuringpvolumetric]tank,校准测量[容积计量]容器 calibrating period,校准周期calibrating voltage,校准电压 calibration,校准calibration (of thermometer),（温度计的）标定 calibration block,标准试块 calibration characteristics,校准特性；分度特性 calibration coefficient of wave height,波高校正系数calibration component,校准组分calibration curve,校准曲线；分度曲线calibration cycle,校准循环 calibration equation,校准公式，分度公式calibration equipment of reversing thermometers,颠倒温度表检定设备 calibration factor of the primary device,一次装置的校准系数calibration gas mixture,校准混合气 calibration hierarchy,校准层次calibration point,校准点；分度点calibration quantity,校准量calibration record,校准记录calibration rotor,标定转子calibration solution,校准液calibration table,校准表（格）calibration traceability,校准溯源性calibrator,校验器 calibrator above ice-point,零上检定器 calibrator below ice-point,零下检定器 calibrator for ice-point,零点检定器 caliper profiler,横幅厚度计calling,呼叫 calomel electrode,甘汞电极calorifier,加热器calorimeter,热量计 cam bezel ring,卡口式盖环CAMAC branch driver,CAMAC 分支驱动器 CAMAC branch-highway,CAMAC 分支信息公路CAMAC compatible crate,CAMAC兼容机箱 CAMAC crate,CAMAC 机箱CAMAC crate assembly,CAMAC 机箱装置 CAMAC highway,CAMAC 信息公路CAMAC module,CAMAC 模块CAMAC operation,CAMAC 操作CAMAC parallel highway,CAMAC 并行信息公路CAMAC serial driver,CAMAC 串行驱动器CAMAC serial highway,CAMAC 串行信息公路CAMAC system,CAMAC 系统 camera length,相机长度camflex valve,偏心旋转阀Campbell-stokes sunshine recorder,聚集日照计；歇贝斯托克日照计 canonical state variable,规范化状态变量 capacitance balance,电容平衡capacitance hygrometer,电视湿度计capacitance pressure transducer,电容式压力传感器capacity correction,容量修正capacity factor,容量因子 capillary column,毛细管柱capillary gas chromatograph,毛细管气相色谱仪capillary gas chromatography,毛细管气相色谱法capillary phenomenon,毛细现象capillary tube (of liquid-in-glass thermometer),(玻璃温度计的）毛细管capillary viscometer,毛细管粘度计capsule,膜盒 capsule(pressure)gauge,膜盒压力表captive chains calibration,链码校准 carat balance,克拉天平carbon and hydrogen analysis meter,碳氢元素分析仪 carbon humidity-dependent resistor,碳湿敏电阻器 card punch,卡片穿孔机card reader,卜片阅读机 Carlson type strain gauge,卡尔逊应变计carrier,载波carrier gas,载气carrier ring,夹持环carrier sense,载波侦听 carrier sense multiple access with collision detection(CSMA/CD), 具有冲突检测的载波侦听多路访问carrier sync,载波同步cartridge disk,盒式磁盘cartridge disk drive,盒式磁盘机cascade control,串级控制cascade system,串级系统 cascade[inductive]voltage transformer,级联式[感应式]电压互感器case,外壳casing,外壳cassette,盒式磁带；卡式磁带；暗盒 catadioptric telescope,折反射望远镜catalysis element,催化元件 catalytic analyzer,催化分析器catalytic chromatography,催化色谱法 catalytic gas transducer[sensor],催化式气体传感器cathode,阴极 cathode of electron gun,电子枪阴极cathode ray null indicator,阴极射线指零仪 cavitation,空化 cavitation corrosion,气蚀cavitation noise,空化噪声ceilometer,云幂仪 cell,电池；传感器 cell constant,电池常数 cell potential transducer[sensor],细胞电位传感器 Celsius,摄氏度Celsius temperature,摄氏温度Celsius temperature scale,摄氏温标center of strike,打击中心central conductor method,中心导体法；电流贯通法central principal inertia axis,中心主惯性轴 central processing unit(CPU),中央处理单元central processor,中央处理器 centrality,集中性 centralized control,集中控制centralized intelligence,集中智能 centralized management system,集中管理系统 centralized network,集中式网络 centralized process control computer,集中型过程控制计算机 centrifugal balancing machine,离心力式平衡机 centrifugal tachometer,离心式转速表ceramic microphone,陶瓷传声器 ceraunograph,雷电计 ceraunometer,雷电仪 certificate of conformity,合格证书certificate of control,控制证书certification,认证 certification of conformity of an instrument for explosive atmosphere,防爆合格证 certification system,认证体系certified standard material,有证标准物质 chained list,链接表 change of temperature test,温度变化试验channel,信道；通道 character,字符character code,字符码 character recognition,字符识别 character set,字符集；字符组 character-at-time printer,一次一字符打印机[印刷机]；串行打印机characteristic curve,特性曲线 characteristic "fast",“快”特性characteristic "impulse",“脉冲”响应特性 characteristic"slow",“慢”特性 characteristic locus,特征轨迹 characteristic impedance,特性阻抗characteristic X-ray,特征X射线 charge amplifier,电荷放大器 charge neutralization,电荷中和charge sensitivity,电荷灵敏度chart,记录纸chart driving mechanism,传纸机构chart lines,记录纸分度线chart scale length,记录纸标度尺长度closed loop transfer function,闭环传递函数 closed loop zero,闭环零点closed position,关闭位置 closed system,封闭系统closing valve time,关阀时间closure member,截流件cloud amount,云量 cloud balancer,测支平衡器cloud base,云底cloud chamber,云室；云零室cloud detection radar,测云雷达 cloud direction,云向cloud height indicator,云高指示器cloud height meter,云幂仪cloud searchlight,云幂灯 cloud speed,云速 cloud top,云顶 cloud-base recorder,云底记录仪cloud-drop sampler,云滴取校器 cloudiness radiometer,云辐射仪cloverleaf buoy,三叶浮标Coanda effect,附壁效应 coarse vacuum,粗真空；前级真空coastal zone color scanner(CZCS),海岸带水色扫描仪coaxiality,同轴度 code,代码；代号；规程；规范code converter;D/D converter,代码转换器；D/D转换器 coded circle,编码度盘 code-transparent data communication,代码透明的数据通信 coefficient of chromatic aberration,色差系数 coefficient of interference,干扰系数 coefficient of radial distortion,径向畸变系数 coefficient of rotational distortion,旋转畸变系数 coefficient of spherical aberration,球差系数 coefficient of variation,变异系数 coercivity meter,矫顽力计coil galvanometer,线圈式振动子coil method,线圈材料 coil method,线圈法 coincidence discrimination,符合鉴别coincidence level,度盘合像装置cold test,寒冷试验 cold-cathode source,冷阴极离子源collate,整理 collector,集电器collector slit,接收器狭缝collimation axis,视轴collimation line,视准线collision,冲突，碰撞 collisional activation,碰撞激活collisional activation mass spectrometer,碰撞激活质谱计colorimeter,比色计；色度计colour filter,颜色滤光片colour meter,水色计column,镜筒 column capacity,柱效能column life,柱寿命column-parity field,列奇偶校验字段column switching,柱切换coma,彗差combination digital logger,数字式综合测井仪 combination electrode,复合电极 combination logging instrument,组合测井仪 combination water meter,复式水表 combined column,复合柱 combined load testing machine,得合试验机 combined pressure and vacuum gauge,压力真空表combined test,综合试验combined test cabinet,综合试验箱command,命令 command accepted,命令接受command message,命令报文command operation,命令操作command-reply transaction,命令—回答事务 commissioning test,运行试验common control signals,公共控制信号 common magnet galvanometer,共磁式振动子common mode rejection,共模抑制 common mode rejection ratio(CMRR),共模抑制比common mode signal,共模信号 common mode voltage,共模电压communication subnet,通信子网communication system,通信系统 communications terminal,通信终端 commutation error,换码误差commutation point,转码点 comparative read-out,比较读出comparator,比较器 comparator coil,比较线圈compare,比较comparing element,比较元件comparison calibration,比较法校准comparison method of calibrating thermocouple,热电偶比较检定法comparison method of calibration,比较法标定comparison(method of )measurement,比较测量法comparison standard,比较标准器comparison value,比较值 compass,罗盘（仪）compass theodolite,罗盘经纬仪 compatibility,兼容性；相容性compensated micromanometer,补偿微压计compensated pyrgeliometer,补偿直接日射强度表 compensated scale barometer,定槽水银气压表compensating element,补偿元件 compensating error of automatic vertical index,竖直度盘指标补偿误差compensating extension lead,补偿型延长导线 compensating gauge,补偿计（片）compensating setting error of leveling compensator,视轴安平补偿误差 compensation,补偿compensation density logger,补偿密度测井仪compensation neutron logger,补偿温度范围 compensation type airborne electromagnetic instrument,补偿式航电仪compensator,补偿器compensator level,自动安平水准仪 compiler,编译程序 compiler generator,编译程序的生成程序complementary gas,附加气 complementary(method of)measurement,互补测量（法）complete controllability,完全可控性；完全能控性 cpmplete failure,完全失效 complete immersion thermometer,（完）全浸（没）温度计complete observability,完全可观测性；完全能观测性complete set up for chemical oxygen demand determinations in seawater, 海水化学耗氧量测定系统 complex radiation,复电阻率仪complex system,复杂系统complexation chromatography,络合色谱法component proton magnetometer,分量质子磁力仪 component superconducting magnetometer,超导分量磁力仪composite control,组合控制 composite error,合成误差composite test,组合试验 composite-temperature-compensation strain gauge,组合温度补偿应变计composition deviation transmitter,成分（偏差）变送器 compound control,复全控制 compound control system,复合控制系统compound oxide series gas sensor,复合氧化物系气敏元件compound system,复合系统compound-wound current transformer,混合绕组电流互感器 compressibility factor,压缩系数 compression force,压缩力 compression plate,压板 compression testing machine,压力试验机compressive strength,压缩强度compressive stress,压应力 computer aided analysis,计算机辅助分析 computer aided control engineering,计算机辅助控制工程computer aided debugging,计算机辅助故障诊断computer aided design,计算机辅助设计computer aided design of control system,控制系统计算机辅助设计computer aided engineering,计算机辅助工程computer aided manufacturing,计算机辅助制造 computer adied planning,计算机辅助规划computer aided production planning,计算机辅助生产计划 computer aided quality control,计算机辅助质量控制 computer aided quality management,计算机辅助质量管理computer aided researching and developing,计算机辅助研究开发computer aided testing,计算机辅助测试computer and computing hardware,计算机和计算硬件 computer assisted management,计算机辅助管理computer auto-manual station,计算机自动/手动操作器Computer Automated Measurement and Control,(CAMAC),计算机自动测量和控制 computer control,计算机控制 computer control system,计算机控制系统 computer integrated manufacturing system,计算机集成[综合]制造系统computer network,计算机网络 computer simulation,计算机仿真computer system,计算机系统concave grating,面光栅 concentrating flux plate,导磁板concentrating flux sleeve,导磁套concentration,浓度 concentration cell,浓度电池concentration of tracer,示踪物浓度concentration sensitive detector,浓度敏感型检测器concetric orifice plate,同心孔板condensation,凝露 condenser lens,聚光镜 condenser microphone,电容传声器condition,状态；条件conditional instability,条件不稳定性conditional stability of a linear system,线性系统的条件稳定性conditionally stable system,条件稳定系统conditioning,调节；环境负荷conductance,电导 conducting electrical instrument,传导类电法仪器 conductive gas transducer[sensor],电导式气体传感器conductive level transducer[sensor],电导式物位传感器conductivity,电导率 conductivity cell,电导池conductivity instrument,电导率仪器 conductivity sensor,电导率传感器conductometer,电导仪conductometric analysis,电导分析（法）conductometric analyzer,电导式分析器 conductometric titration,电导滴定 cone plug,圆锥形阀芯 cone-and-float flowmeter,盘塞式流量计cone-and-float flowmeter,浮子流量计 cone-plate viscometer,锥—板粘度计 confidence level,置信水平confidence limits,置信界限configuration,配置；组态configuration of hardware,硬件的配置 conformance test,合格试验 conformance testing,一致性测试 conformity,一致性 conformity certification,合格认证conformity error,一致性误差conical bearing,锥形支承 conical entrance orifice plate,锥形入口孔板connecting link,连杆 connecting resistance(for potential),（电位）连接电阻connecting wire error,连接线误差 connector,接插件consistency,一致性 consistency check,相容性检验consistency transmitter,浓度变送器console，操纵台 console printer,控制台打印机 constant bandwidth filter,恒定带宽滤波器 constant current power supply,恒流电源constant-head flowmeter,恒定压头流量计constant-level head tank,恒液位压头容器 constant of a measuring instrument,测量仪表[器具]的常数constant-rate injection method,恒定速率注入法 constant state,恒定状态constant-temperature method of reference junction,参比端恒温法constant voltage/constant,恒压恒流交叠 constant voltage power supply,恒压电源constriction(of liquid-in-glass thermometer),（玻璃温度计的）缩喉constructional hardware,结构硬件consumer package,销售包装 conteact anemometer,接触式风速表contact controlled electric actuator,有触点电动执行机构 contact electric position transmitter,有触点位置发送器contact electromotive force,接触电热势 contact head,触头contact mercury barometer,电接点水银气压表 contact pads,接触垫 contact resistance,接触电阻 contact scanning method,接触法correlation coefficient,相关系数correlation length measuring instrument,相关式测长仪correlative method INPUT system,相关对比法感应脉冲瞬变系统corrosion,腐蚀 corrosion failure,腐蚀破裂corrosion-proof instrument,防腐式仪器仪表corrosion testing machine,腐蚀试验机 corrosive atmospheres test,腐蚀性大气试验cosine collector,余弦收集器cosine radiator，余弦辐射体cost control,成本控制cost-effectiveness analysis,费用效益分析 cost performance,性能价格比 costate variable,共态变量 coulometer,库伦表coulometric analysis,电量分析（法）coulometric analyzer,电量式分析器 coulometric titration,电量滴定Coulumb interaction,库仑作用 count of acoustic emission event,声发射事件计数 counter type superconduction magnetometer,计数式超导磁力仪counterweight,配重 counting anemometer,计数风速表counting rate,计数率 counting rate meter,计数率计 counting-shallow-layer seismograph,计数型浅层地震仪 couplant,耦合剂；耦合介质 couple unbalance,偶不平衡 coupled chamber method reciprocity calibration,耦合腔法互易校准 coupled modes,耦合振型coupled simultaneous 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compiling/assembling,交叉编译/汇编cross-correlation flowmeter,互相关流量计cross-correlation function,互相关函数cross lines timer,横线式时标cross-section ionization detector,离子截面积检测器crossover frequency,交越频率crossover of electron gun,电子枪交叉点crossover of load characteristic,负载特性交叠 crosstalk,串扰CRT display device,CRT 显示器CRT display terminal ,CRT显示终端cryogenic device,低温装置cryostat,低温槽 crystal,振子；晶片；晶体 crystal grationg,晶体光栅 crystal microphone,晶体传声器crystal pressure transducer,晶体压力传感器crystalline electrode,晶体电极cup anemometer,风杯风速表 cupping testing machine,杯突试验机current,海流 current bottle,漂流瓶 current center,电流中心current circuit(of a measuring instrument),（测量仪表的）电流电路current constant,电流常数current direction,海流方向；电流方向current error,电流比值差 current limiting threshold,限流阈（值） current line,测流绳current matching transformer,电流匹配互感器 current meter,海流计；流速计 current pole,测流标杆current sensitivity,电流灵敏度current stability,电流稳定度 current transformer,电流互感器current velocity[speed],海流速度 cursor,光标 cursor positioning,光标定位 curvature of field,场曲curvilinear 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DD and D/2 pressure tappings,D和D/2取压口D-port,D型端口 DC-DC LVDT displacement transducer,直流差动变压器式位移传感器 d.c.bridge for measuring high resistance,直流高阻电桥d.c.bridge for measuring resistance,测量电阻用的直流电桥d.c.comparator potentiometer,直流比较仪式电位差计 d.c.comparator type bridge,直流比较仪式电桥d.c.potentiometer,直流电位差计d.c.power voltage ripple,直流电源电压纹波 d.c.resistance box,直流电阻箱d.c.resistor volt ratio box,直流电阻分压箱d.c.voltage calibrator,直流电压校准器Daly detector,戴利检测器 damped frequency,阻尼频率damped natural frequency,阻尼固有频率damped oscillation,阻尼振荡damper,阻尼器damping,阻尼damping action,阻尼作用 damping characteristic,阻尼特性damping constant,阻尼常数damping deflection period,阻尼比damping torque,阻尼力矩 damping torque coefficient,阻尼力矩系数 dangerous articles package,危险品包装dark field electron image,暗场电子象 data,数据data acquistion,数据采集data acquisition equipment,数据采集设备 data acquisition station,数据采集站data base,数据库 data base management system,数据库管理系统data buoy system,数据浮标系统 data circuit,数据电路 data circuit-terminating equipment(DCE),数据电路终接设备 data 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snow,积雪密度density(photographic),（照相的）黑度density transducer[sensor],密度传感器depressor,沉降器 depth bellows,深波纹管 depth controller,深度控制器depth of field,景深depth of focus,焦深depth of penetration,穿透深度 depth of snow,雪深 depth scan,前后扫查depth sounding,测深 derivative absorption spectrum,导数吸收光谱 derivative action;D-action,微分作用；D-作用 derivative action coefficient,微分作用系数 derivative action gain,微分作用增益 derivative action time,微分作用时间derivative differential thermal analysis,导数差示热分析derivative differential thermal curve,导数差示热曲线 derivative dilatometry,导数膨胀法 derivative feedback,微分反馈derivative thermogravimetric curve,导数热重曲线 derivative thermogravimetry,导数热重法 derivative unit,微分器 derived unit(of measurement),导出（测量）单位describing function,描述函数design automation,设计自动化 design constant,设计常数 design distance,设计距离 design of simulation dxperiment,仿真实验设计designed immersion depth,设计浸入深度 desired value,预期值 desorption chemical ionization(DCI),解吸化学电离destination,目的站 detectability,可检测性；能检测性；检测能力detectability(chromatographic),（色谱）检测限detecting instrument,检出器；检测元件；检波器developer,显示剂 development tank,展开罐deviation,偏差deviation alarm sensor,偏差报警检测器deviation from lonearity,偏离线性度 deviation of the e.m.f.(with respect to the certified value), 电动势的偏差值（相对于检定值)device,装置Device Net，Device Net 总线；装置网 dew cell,露池dew-point,露点dew-point hygrograph,露点计dew point hygrometer,露点湿度计；露点湿度表dew point temperature,露点温度dew point transducer[sensor],露点传感器dewgauge,露量表；露量器 diagnostic function,诊断功能diagnostic model,诊断模型 diagnostic program,诊断程序 diagonal beam,斜束dial,标度盘diameter,直径diameter ratio,直径比diamond array,菱形阵diaphragm,膜片；隔膜；保护膜diaphragm actrator,薄膜执行机构diaphragm capsule,膜盒deaphragm gas meter,膜式煤气表deaphragm(pressure)gauge,膜片压力表diaphragm pressure span,膜片压力量程 diaphragm-seal(pressure) gauge,隔膜压力表 diaphragm strain gauge,膜片式应变计 diaphragm valve,隔膜阀 dielectric ampliude imduction logging instrument,幅度介电感应测井仪 dielectric phase induction logger,相位介电感应测井仪difference absorption spectrum,差式吸引光谱 difference galvanometer,差动检流计 difference input,差分输入differential amplifier,差动放大器 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differential thermal analysis curve,差热曲线 differential thermal analysis in an isothermal environment, 等温环境下的差示热分析 differential thermal analysis meter,差示热分析仪；DTA仪differential thermal analyzer,差热）分析）仪 differential thermal curve,差示热曲线；DTA曲线differential thermocouple,差分热电偶；差示热电偶 differential thermometric titration,差热滴定（法） differential transducer,差动换能器differential transformer,差动变压器 differential transformer displacement transducer,差动变压器式位移传感器 (differential)transformer pressure transducer,（差动）变压器式压力传感器 diffraction grating,衍射光栅 diffraction lens,衍射透镜 diffraction resolution,衍射分辨力diffuse field,扩散声场 diffuse-field response of microphone, 传声器扩散声场频率响应；传声器扩散场响应 diffuse-field sensitivity of microphone,传声器扩散场灵敏度diffused dilicon semiconductor force meter,扩散硅式测力计 diffused silicon semiconductor force transducer,扩散硅式力传感器 diffrsed silicon semiconductor tensiometer,扩散硅式张力计 diffused type semiconductor strain gauge,扩散型半导体应变计 diffusion current,扩散电流diffusion pump,扩散泵 digital ammeter,数字电流表 digital communication,数字通信 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optical pyrometer,隐丝式光学高温计disc,阀板disc plug,盘形阀芯disc recorder,圆盘（形）记录仪discharge coefficient,流出系数discharge lamp,放电灯discontinuous control,不连续控制discontinuous control system,不连续控制系统 discontinuous simultaneous techniques,间歇联用技术；不连续同时串用技术 discrete control system,离散控制系统discrete signal,离散信号discrete system model,离散系统模型discrete system simulation,离散系统仿真discrete system simulation language,离散系统仿真语言 discriminant function,判别函数discrimination,鉴别力discrimination threshold,鉴别力阀diskette,软磁盘 dispersion dose,散射剂量dispersion power,色散本领 dispersive crystal,分光晶体 dispersive infra-red gas analyzer,色散红外线气体分析器 displacement,位移displacement divelopment,顶替展开法 displacement pickup,位移传感器displacement transducer[sensor],位移传感器 displacement,velocity and acceleration shock response spectrum, 位移、速度和加速度冲击响应谱display attribute,显示属性display console,显示控制台display device,显示器；显示设备 display element,显示元件 display unit,显示单元dissipation constant,耗散常数 dissipation power,耗散功率dissolved oxygen analyzer,溶解氧分析器 dissolved oxygen analyzer for seawater,海水溶解氧测定仪dissolved oxygen of seawater,海水中的溶解氧distance amplitude compensation,距离振幅补偿 distance amplitude curve,距离振幅曲线distance constant,距离常数distance factor,距离系数 distance marder,距离刻度 distance meter,测距仪 distance of centre of gravity,重心距distorted peak,畸峰 distortion,失真；畸变 distributed computer-control SDAS,分布式遥测型数字地震仪 distributed computer control system, 分散型计算机控制系统；分布式计算机控制系统 distributed control,分散控制；分布控制 distributed control system,分散型控制系统；分布式控制系统distributed data base,分布式数据库 distributed intelligence,分散智能 distributed networkm,分布式网络distributed parameter control system,分散[分布]能数控制系统 distributed telemetry SDAS,分布式遥测型数字地震仪distribution temperature,分布温度 disturbance,扰动dither,颤振dithering,颤动 diverging three way valve,三通分流阀diverter,换向器 diving bell,潜水钟 document．文件；文献 document．tion,文件管理；文件集 domestic package,内销包装 dominant frequency,优势频率；主频率Doppler current meter,多普勒海流计 Doppler effect,多普勒效应Doppler flowmeter,多普勒流量计 Doppler radar,多普勒雷达Doppler sonar,多普勒声纳dose,剂量dose rate,剂量率dose rate meter,剂量率计dosementer,剂量计dot matrix printer,点阵式打印机dot printer,点阵印刷机；点阵打印机dotted line recorder,断续线记录仪 dotting time,打点时间 double acting positioner,双作用定位器double-beam mass spectrometer,双束质谱计double beam spectrum radiator,双光束光谱福射计double bounce technique,二次反射法double collectors,双接收器 double-cone viscometer,双锥粘度计double crystal probe,双振子探头 double-dry calorimeter,双干式热量计double-focusing mass spectroscope,双聚焦质谱仪器double-focus X-ray tube,双焦点X射线管double focusing,双聚焦double focusing analyzer,双聚焦分析器 double focusing at all masses,全质量双聚焦 double-image tacheometer,双像速测仪 double inlet system,双进样系统double insulation,双重绝缘 double-junction SQUID magnetometer,双结磁强计double-magnification imaging,双放大倍率成象法double pan balance,双盘天平 double-pass internal reflection element,双通内反射元件double-path rato thermometer,双通道比色温度计 double-polarity method for calibrating thermocouple,热电偶双级检定法double probe technique,热电偶双极检定法double probe technique,双探头法 double tube mercury manometer,双管水银压力表dulble tube thermometer,套管温度表dulble vibration amplitude,双振幅 down time,停机时间 downhole instrument,下井仪器 downwar(total)radiation,向下（全）辐射 downward terrestrial radiantion,大气向下辐射 draft standard,标准草案drag of towed vehicale,拖曳体阻力drain boles,排泄孔 draught drying cabinet,电热鼓风干燥箱drawing force,拉力dredge,拖曳式采样器drift,漂移 drift bottle,漂流瓶 drift card,漂流卡drift plate drogue,漂流板drifting buoy,漂流浮标driving chart[paper]swaying,走纸偏差driving device,驱动装置driving torque,驱动力矩 drooping characteristic,下降特性 drop size meter,滴谱仪drop test,跌落试验 dropping mercury electrode,滴汞电极dropsonde,下投式探空仪 drosometer,露量表；露量器drum recorder,鼓形记录仪 dry air,干空气 dry bulb,干球dry gas meter,干式气体表dry heat test,干热试验 dry-bulb thermometer,干球温度表drying cabinet on forecd convection,电热鼓风干燥箱 drying oven,干燥箱DSC curve,差示扫描量热曲线DSC meter,差示扫描量热仪DSC-TC,差示扫描量热仪/热天平 DTA range,DTA,范围；差热分析范围dual computer system,双并列计算机系统；复式计算机系统 cual-flame ionization detector,双火焰离子化检测器 dual purpose voltage transformer,双重用途电压互感器 duet,对（两个换能器的一种布置方式） dump,转储duoplasmatron ion source,双等离子体离子源 duplex(pressure)gauge,双工[双针]压力表 duplex transmission,双工传输duplexed computer system,双计算机系统durabilitym,耐久性 duration,持续时间 duration of cycle,周期时间 duration of load,负荷保持时间dust analyzer,尘量分析仪dust counter,计尘器 dustproof instrument,防尘式仪器仪表dustproof packaging,防尘包装dust-proof solenoid valve,防尘型电磁阀dwell time,停顿时间 dye marks,染色测流法 dye-penetrant testing method,着色渗透探伤法dynamic accumulation error,动态累计误差 dynamic calibrator,动态校准器dynamic characteristic calibrater,动态特性校准仪 dynamic characteristics,动态特性 dynamic deviation,动态偏差 dynamic display image,动态显示图象dynamic error,动态误差dynamic error coefficient,动态误差系数 dynamic gauging,动态容积测量法 dynamic load,动负荷dynamic mass spectrometer instruments,动态质谱仪器dynamic measurement,动态测量dynamic microphone,电动传声器 dynamic model,动态模型dynamic pressure,动压dynamic pressure of fluid element,流体单元动压 dynamic pressure transducer[sensor],动态压力传感器 dynamic range,动态范围 dynamix range of microphone,传声器动态范围dynamic resolution,动态分辨力dynamic response,动态响应 dynamic SIMS,动态二次离子质谱法dynamic standard strain device,动态标准应变装置dynamic stiffness,动刚度 dynamic stiffnesss of the moving element suspension,运动部件悬挂动刚度 dynamic stiffenss ratio,动刚度比dynamic storage allocation,动态存储分配 dynamic strain,动应变 dynamic strain indicator,动态应变仪dynamic thermomechanical analysis,动态热机械分析dynamic thermomechanical analysis apparatus,动态热机械分析仪 dynamic thermomechanometry,动态热机械法dynamic(two-plane)balancing,动（双面）平衡 dynamic(two-plane)balancing machine,动（双面）平衡机 dynamic unbalance,动态不平衡 dynamic vane bias,风向标的动力偏幅 dynamic viscosity,动力粘度 dynamic water tank,动水槽 dynamic wieghing method,动态称重法dynamometric system,测力系统

E early failue,早期失效 earth leakage detector,接地漏电检示器earth resistance meter,接地电阻表earth resource technology satellite(ERTS),地球资源技术卫星earthed input,接地输出 earthed voltage transformer,接地型电压互感器 ease of ignition,易起燃性eccentric load,偏心载荷 eccentric orifice plate,偏心孔板 eccentricity of rotor,转子偏心距 echelon grating,阶梯光栅echo,反射波；回波echo height,反射波高度echo sounder,回声测深仪 ecobuoy,生态浮标economic analysis,经济分析 economic control,经济控制economic control theory,经济控制理论economic cybernetics,经济控制论economic data,经济数据economic decision,经济决策 economic effectiveness,经济效益economic environment,经济环境 economic evaluation,经济评价 economic forecast,经济预测economic index,经济指数economic indicator,经济指标economic model,经济模型economic system model.经济系统模型eddy-current,涡流 eddy-current displacement vibration amplitude measuring instrument, 电涡流式位移振幅测量仪 eddy-current displacement vilbration amplitude transducer,电涡注式位移振幅传感器 eddy curent inspection instrument,涡流探伤仪 eddy current testing method,涡流探伤法eddy-current thickness meter,电涡流厚流计eddy-current type transducer,涡流式传感器 eddy diffusion,涡流扩散eddy velocity,涡动速度 edge effect,边缘效应EDM instrument,电磁波测距仪 effective aperture,有效孔径 effective area,有效面积 effective data transfer rate,有效数据传送率effective diaphragm area,膜片有效面积effective emissivity,有效发射率effective excitaion force,有效激振力 effective magnetic field,有效磁场effective mass of the moving element,运动部件有效质量effective path length,有效光程长度effective radiation exitance,有效辐（射）出（射）度effective range,有效范围；有效量限；测量范围 effective sound pressure,有效声压 effectiveness,有效性effectiveness theory,效益理论efflux viscometer,流出式粘度计egoless programming,无私程序设计 egoless programming,无私程序设计EI-CI source,电子轰击—化学电离源eigen frequency,特征频率Ekman current meter,厄克曼海流计 elastic after-effect,弹性后效 elastic background,弹性元件elastic limit,弹性极限elastic scatter,弹性散射elastic system,弹性系统 elasticity,弹性 elastomer diaphragm,橡胶膜片electret microphone,驻极体传声器 electric actuator,电动执行机构 electric contact liquid-in-glass thermometer,电接点玻璃温度计electric contact set,电接点装置 electric control,电动控制 electric current transducer[sensor],电流传感器electric field controller,电场控制仪 electric field strength transducer[sensor],电场强度传感器electric hydraulic converter,电—液转换器electric logger,电测井仪器 electric measurement technique of strain gauge,应变计电测技术electric operationg station,电动操作器 electric pneumatic converter,位置发送器electric quantity transducer[sensor],电学量传感器 electric resistance and dielectric constant measuring unit, 电阻—静电容量测量仪 electric system,电气系统 electrical capacitance level measuring device,电容物位测量装置electrical center,电中心dlectrical conductance level measuring device,电导液闰测量装置electrical conductivity detector,电导检测器electrical hygrometer,电气湿度计；电测湿度表electrical(measurement)method,电测法 electrical measurement method of optical pyrometer,光学高温计电测法 electrical measuring instrument,电（工）测量仪器仪表；电法勘探仪器electrical power consumption ,（电） 功耗electrical resonance frequency of the miving element,运动部件电谐振频率 electrical signal,电信号electrical thermometer,电测温度表 electrical wind vane and anemometer,电传风向风速仪electrical zero,电零位；电零点 electrical zero adjuster,电零位调节器；电零点调整器electrically heated drying cabinet,电热干燥箱 electro-cardiography transducer[sensor],心电图（ECG）传感器 electo-hydraulic servocontrolled fatigue testing machine,电液伺服疲劳试验机 electro-optical distance meter,光电测距仪 electroacoustic transducer,电声换能器electroacoustical reciprocity theorem,电声互易定理electrochemical analysis,电化学分析（法）electrochemical analyzer,电化学式分析器 electrochemical transducer[sensor],电化学式传感器 electrode,电极electrode potential,电极电位 electrode signal,电极信号electrode type salinometer,电极式盐度计electrode with a mobile carrier,流动载体电极electrodeless-discharge lamp,无极放电灯electrodialysis method for desalination,电渗析淡化法electrodynamic instrument,电动系仪表electrodynamic meter,电动系电度表electrodynamic vibrator,电动振动器electroence-phalographic transducer[sensor],脑电图（EEG）传感器 electrogravimetric analysis,电重量分析（法）electrohydraulic control,电液执行机构 electrohydraulic control,电液伺服阀 electrolysis humidity transducer[sensor],电解式湿度传感器electrolytic cell,电解池 electrolytic hygrometer,电解湿度计electromagnet,电磁铁electromagnet damping galvanometer,电磁阻尼振动子 electromagnet fluid damping galvanometer,电磁液体阻尼振动子electromagnetic brake,电磁制动器electromagnetic braking,电磁制动electromagnetic counter,电磁计数器electromagnetic current meter,电磁海流计electromagnetic damper,电磁阻尼器 electromagnetic deflector alignment system,电磁偏转对中系统 electromagnetic distance meter,电磁波测距仪 electromagnetic element,电磁元件 electromagnetic flowmeter,电磁流量计electromagnetic gun,电磁枪electromagnetic induction,电磁感应 electromagnetic interference,电磁感应法仪器electromagnetic imterference,电磁干扰electromagnetic lens,电磁透镜 electromagnetic method instrument,电磁法仪器electromagnetic methods,电磁法electromagnetic radiation,电磁辐射electromagnetic screen,电磁屏蔽 electromagnetic transducer[sensor],电磁式传感器electromagnetic unit,电磁单元electromagnetic vibrator,电磁振动器electromagnetic wave propagation logging instrument,电磁波传播测井仪 electrometer,静电表 electromotive force(EMF),电（动）势electromyogrphic transducer[sensor],肌电图（EMG）传感器 electron beam exposure apparatus,电子束曝光机electron beam processing machine,电子束加工机electron capture detector(ECD),电子捕获检测器 electron channelling pattern,电子通道花样electron diffraction image,电子衍射象electron diffractometer,电子衍射谱仪electron energy lose spectroscopy(EELS),电子能量损失谱法electron gun,电子枪electron gun alignment adjustment,电子枪对中调节装置 electron image intensifier,电子象增强器 electron impact desorption(EID),电子轰击解吸electron impact ion source;EI source,电子轰击离子源 electron induced desorption(EID),电子诱导解吸 electron lens,电子透镜 electron microscope,电子显微镜electron mobility detector,电子适移率检测器 electron noise,电子噪声 electron lperation desk of EPMA,电子探针的电子操纵台electron optical system of EPMA,电子探针的电子光学系统 electron optics,电子光学electron paramagnetic resonance spectroscopy;EPR spectroscopy,电子顺磁共振波谱法 electron probe,电子探针electron probe micro-analysis(EPMA)电子探针微分析electron probe X-ray microanalyzer,电子探针X射线微区分析仪 electron spectrometer,电子能谱仪electron type rock ore densimeter,电子式岩矿密度仪 electron wave length,电子波长electron-beam atomizer,电子束原子化器 electron-diffraction method(EED),电子衍射法electron-energy analyzer,电子能量分析器electron-hole pairs,电子—空穴对 electronic analogue-to-digital converter,电子模/数转[变]换器 electronic automatic compensator,电子自动补偿仪 electronic balance,电子天平electronic batching scale,电子配料秤electronic bathythermograph(EBT),电子深温计electronic belt conveyor scale,电子皮带秤 electronic counting scale,电子计数秤 electronic distance-meter theodolite,电子测距光学经纬仪electronic fluxmeter,电子磁通表 electronic hoist[hanging] scale,电子吊秤electroinc hoist scale,电子料斗秤 electronic integrating fluxmeter,电子积分式磁通表electronic level,电子水准仪electronic measuring instrument,电子测量仪器仪表 electronic plane table equipment,电子平板仪 electronic platform scale,电子平台秤 electronic railway scale,电子轨道衡electronic sampling switch,电子采样开关 electronic tacheometer,电子速测仪electronic tesing machine,电子式试验机electronic theodolite,电子经经纬仪electronic top-loading balance,电子上皿天平 electronic trunk scale,电子汽车秤electrooculographic transducer[sensor],眼电图（EOG）传感器electrophoresis,电泳法electrophoresis meter,电泳仪electropolisher,电解抛光机electroretinographic transducer[sensor],视网膜电图（ERG）传感器 electroscope,验电器electrosensitive printer,电灼式印刷机electrosonde,电位探空仪electrostatic actuator,静电激发器electrostatic analyzer,静电分析器electrostatic display recorder,静电显示记录仪 electrostatic electron microscope,静电电子显微镜electrostatic emanometer,静电计式射气仪electrostatic instrument,静电系仪表electrostatic lens,静电透镜electrostatic microphone,静电八极透镜 electrostatic printer,静电印刷机electrostatic quadrupole lens,静电四极透镜electrostatic screen,静电屏蔽electrovolumetric analysis,电容量分析（法）elemental error,单元误差elevated temperature testing machine,高温试验机elevated-zero range,零点提升范围elevation,（海拔）高度elevation of zero point of barometer,气压表零点高度elliptical polarization instrument,椭圆极化仪 elliptical vibration,椭圆振动 elongation,伸长率elongation rate,延伸率 elution,洗脱elution chromatorgraphy,冲洗色谱法 emanation survey,射气测量emanation thermal analysis,放射（性）热分析 emanation thermal analysis apparatus,放射热分析仪 emanometer,测氡仪；射气仪embedded strain gauge,埋入式应变计emission electron microscope,发射电子显微镜emission spectrum,发射光谱emission X-ray spectrometry,发射X射线谱法emissivity,发射率 emittance of the earth's surface,地表面辐射emulsifier,乳化液槽encapsulation(Ex m),浇封（Ex m) encircling coil,环形线圈 enclosed-scale liquid-in-glass thermometer,内标式玻璃温度计 END byte,结束字节end connection,连接端 end of file(EOF),文件结束end-points,端点 endothermic peak,吸热峰 ENDSUM byte,结束总和字节endurance test,耐久性试验 energizing frequency,激励频率energizing voltage,激励电压energy dispersion,能量色散energy equivalent,能当量 energy filter,能量过滤器 energy loss,能量损失 energy olss of electron spectrometer,电子能量损失谱仪energy loss spectrometer,能量损失谱仪energy processor module,能量处理组件 energy spread,能量分散engineer's operating station,工程师操作站 engineer's theodilite,工程经纬仪engineering cybernetics,工程控制论 enhineering simulator,工程仿真器 engineering system simulation,工程系统仿真 Engler viscosity,恩氏粘度 enhancement effect,增强效应enveloped thermistor,密封型热敏电阻器environmental condition,环境条件environmental error,环境误差 environmental factor,环境因素 environmental gas analyzer,环境气体分析仪environmental influence,环境条件影响environmental monitor station,环境监测站environmental noise,环境噪声enivronmental parameter,环境参数environmental specification,环境规范environmental tset,环境试验environmental test equipment,环境试验设备enzyme substrate electrode,酶敏电极epoxy resin,环氧树脂Epstein frame,爱普斯坦方圈 Epstein measuring apparatus,爱普斯坦测量装置equal precision measurement,等精密度测量equalization,均衡 equalizing block,均温块equalizing orifice,平衡孔 equilibrium point,平衡点 equilibrium state,平衡状态equivalent a.c.resistance,等效交流电阻 equivalent air volume,等效空气容积 equivalent conductance,当量电导 equivalent input impedance,等效空气容积 equivalent conductance,当量电导 equivalent input impedance,等效输入阻抗 equivalent n-th modal unbalance,第n阶振型等效不平衡谐量 equivalent potential screen,等电位屏蔽equivalent sound pressure level due to inherent noise of microphone, 传声器等效噪声级equivalent uniform roughness,等效均匀粗糙度erecting telescoope,正像望远镜 ergonomics,工效学 erosion,侵蚀 erratic motion of the moving element,运动部件的漂移运动 error,误差error coefficient,误差系数evaluation standard,评定标准 evaporativity,蒸发率 evaporimeter,蒸发仪；蒸发表evaporograph,蒸发计 evapotranspirometer,蒸散表event marker,标记装置event pulse,事件脉冲 event recorder,事故[状态]记录仪 evolved gas analysis(EGA),逸出气分析evolved gas analysis apparatus,逸出气分析仪 evolved gas detection(EGD),逸出气检测 evolved gas detection apparatus,逸出气检测器excess energy meter,超量电度表excitation,激励 excitation force,激振力excitation index,激发指数exciting curent,激磁电流 executive routine,执行程序exothermic peak,放热峰 expanded scale,扩展标度expanded scale instrument,扩展标度尺仪表expansibility factor,可膨胀性系数expansion factor,膨胀系数expansion chamber(of liquid-in-glass thermometer),（玻璃温度计的）膨胀室 expected long term stability,预期的长期稳定性expendable bathythermograph(XBT),投弃式深温计experimental intensity of scattered ion,散射离子的实验强度experimental standard deviation,实验标准偏差experimental standard deviation of the mean,平均值的实验标准偏差experimental temperature scale,经验温标experimental variance,实验方差explosion-proof electric actuator,防爆型电动执行机构explosion-proof instrument,防爆型仪器仪表explosion-proof solenoid valve,防爆型磁阀explosive limit of flammable gas,可燃气体的爆炸限explosive sound source,爆炸声源export package,出口包装exposed junction,外露端 exposed junction type sheathed thermocouple,露端型铠装热电偶 exposure,曝光量 exposure chart,曝光曲线图exposure time,曝光时间 extended rating current,扩展的额定电流exteneed rating type curent transfomer,扩展的额定型电流互感器extending extension lead,延伸型上阀盖 extension lead,延长导线extension lead error(of thermocouple),（热电偶的）延长导线误差 extension lead method,延长导线法 extensometer,引伸计 exterior package,外包装external critical resistance,外临界电阻 external-convection column sensitive element,柱状外对流敏感元件external-convection ring sensitive element,环状外对流敏感元件 external disturbance,外扰 exteranl gear,转子齿轮external lock signal,外锁信号 external reference sample,外参比试样external-scale liquid-in-glass thermometer,外标式玻璃温度计external standard method,外标法 externally-piloted regulator,组合指挥器操作型自力式调节阀 extra-column effect,柱外效应 extraction lens,引出透镜 extrapolated onset,外推超始点；外延始点extreme temperature,极端温度Fface to face dimension,端面距尺寸facsimile seismograph,传真式地震仪factory communication,工厂通信factory information protocol,工厂信息协议Fahrenheit,华氏度Fahrenheit temperature scale,华氏温标 fail safe,换效安全fail tree analysis,失效树分析failure,失效failure diagnosis,失效诊断 failure mechanism,失效机理failure mode,失效率 failure recognition,失效识别failure valve position,阀断源位置failure cable,流线型拖缆fall time,下降时间 falling coaxial cylinder viscometer,同轴圆筒下落粘度计 falling sphere viscometer,落球粘度计false strain,虚假应变 fanning mill anemometer,叶轮式风速表 far field,远场far infra-red radiant element,远红外副射元件far infrared radiation,远红外辐射Faraday cage,静电屏蔽 farinfrared spectrophotometer,远红外分光光度计fast atom bombardment,（FAB），快速原子轰击 faster-than-real-time simulation,超实时仿真fatigue,疲劳fatigue characteristic,疲劳特性 fatigue failure,疲劳破裂 fatibue life,疲劳寿命 fatigue limit,疲劳极限fatigue strain gauge,疲劳应变计fatigue testing machine,疲劳试验机fault,故障 feasibility,可行性 feasibility study,可行性研究 feasible cooordination,可行协调feasible region,可行域feature detection,特征检测 feedback,反馈 feedback compensation,反馈补偿feedback control,反馈控制feedback controller,反馈控制器 feedback elements,反馈元件feedback gain,反馈增益 feedback loop,反馈回路feedback path,反馈通路 feedback signal,反馈信号feedforward,前馈feedforward compensation,前馈补偿feedforward control,前馈控制下feedforward path,前馈通路feedover,馈越ferrodynamic galvanometer,铁磁电动系振动子ferrodynamic instrument,铁磁电动系仪表ferrograph,铁磁文明用语FET gas transducer[sensor],场效应（管）湿度传感器 fiber communication,光纤通信fiducial error,引用误差 fiducial value,引用值；基值field,字段；现场field balancing,现场平衡field balancing equipment,现场平衡设备field coil,励磁线圈 field controller,磁场控制器 field data,现场数据field desorption(FD),场解吸field emission electron image,场发射电子象field emission gun,场发射电子枪field emission microscope,场发射显微镜 field ion emission microscope,场离子发射显微镜 field ionization source;FI source,场电离源field test,现场试验field of view,视场field rdliability test,现场可靠性试验field stop,视场光栏 field sweeping,场扫描 field-frequency lock,场频锁 fieldbus,现场总线 fieldbus control system(FCS),现场总线控制系统 filament image,灯丝象 filar suspended galvanometer,悬丝式检流计file,文件；文卷file maintenance,文卷维护fill factor,占空因子；填充率filled system thermometer,压力式温度计filled thermal system,充灌式感温系统film recording thermograph,照相温度（表）film sample,薄膜样品 film varstor,膜式电压敏电阻器filter,滤光计；过滤器；滤波器；滤光板；滤线板 filter device,滤光装置 filtered electron image,过滤电子象filtered electron lens,过滤电子透镜 final controlling element,终端控制元件；执行器final state,终态final controlling element,终端控制元件；执行器 final state,终态 final temperature,终了温度终止温度 Fineman nephoscope,法因曼测云器finte automaton,有限自动机fire behaviour,着火性能fire integrity,整体着火性 fire resistance,耐火性 fire stability,对火稳定性 firmware,固件 fish finder,鱼探仪 fitting,管件five-component borehole magnetometer,井中五分量磁测井仪fixed core,定铁芯fixed(measuring)instrument,固定式（测量）仪表fixed points method of calibration,定点法标定 fixed resistance input type volt ratio box,定阻输入式分压箱fixed resistance output type volt ratio box,定阻输出式分压箱 fixed set point control,定值控制fixed set point control system,定值控制系统rixed-based natural frequency,固定基础固有频率 flag,标记 flame emission spectrometry,火焰发射光谱法flame ionization detector(FID),火焰离子化检测器flame photometric detector(FPD),火焰光度检测器flame proof enclsoure(Ex d),隔爆外壳（Ex d)flame temperature detector,火焰温度检测器flange pressure tappings,法兰取压口flanged ends,法兰连接端flangeless ends,无法兰连接端flangeless valve,无法兰阀flashing,闪阀flaw echo,缺陷反射波flaw resolution,缺陷分辨力 flaw sensitivity,缺陷灵敏度flexible disk,软磁盘flexible manufacturing system,柔性制造系统 flexible rotor,柔性转子flexural critical speed,挠曲临界转速 flexural principl mode,挠曲主振型flicker,闪烁float,浮子 float and cable level measuring device,浮标和缆索式液闰测量装置 float barograph,浮子气压计float level measuring device,浮子液位测量装置float level reguator,浮子型液位调节阀float level transducer[sensor],浮子—干簧管液位传感器 float tide gauge,浮子式验潮仪 floating accelerometer,重力式测波仪floating ball,浮置输入floating output,浮置输出 floppy disk drive,软磁盘机 flow chart,流程图表flow coefficient,流量系数 flow conditioner[straightener],流动调整器[整直器] flow control,流量控制flow corrector,流量修正器flow diagram,流程图flow elbow,流量弯管 flow measurement calibration device,流量测量校准装置 flow measuring device,流量测量装置 flow nozzle,流量喷嘴flow profile,流动剖面flow rate of mobile phase,流动相流速 flow sihnal,流量信号flow stabilizer,流量稳定器 flow switch,流量开关 flow to close,流关flow to open,流开 flow transducer[sensor],流量传感器 flowmeter,流量计 flow-rate,流量 flow-rate range,流量范围 fluctuation,波动（度） fluid damping galvanometer,液体阻尼振动子fluidic flowmeter,射流流量计fluorescence,荧光修正fluorescence detector,荧光检测器fluorescence effect,荧光效应fluorescent image,荧光象flurescent magnetic partcle,荧光磁粉fluorescent magnetic particle inspection machine,荧光磁粉探伤机fluorescent penetrant festing method,荧光渗透探伤法 fluorine plastic,氟塑料 fluorine rubber(viton),氟橡胶fluorometer,荧光计 flush mounted(pressure)gauge,，嵌装压力表 flutter,颤振 flux constant,磁通常数flux meter,磁通表flux of radiation,辐射通量fluxgate compass,磁通门罗盘fluxgate magnetometer,磁通门磁力仪；磁通门磁强计fluxmeter,磁通表 fluxmeter calibrator,磁通表校验仪focal distance,焦距focal plane,焦平面focal point,焦点focus,焦点 focus size,焦点尺寸focus-to-film distance,焦距focusing,聚焦focusing type probe,聚焦探头fog-gauge,雾量器foil strain gauge,箔式应变计folding chart[paper],折叠式记录纸follow-up control,随动控制follow-up pointer,从动针food analyzer,食品分析仪force,力force-balance acceleration transducer,力平衡式加速度传感器 force-balance accelerometer,力平衡式加速度计force convection,强近对流force standard machine,力标准机force transducer[sensor],力传感器forced vibration,强迫振动；受迫振动foregraound,前台 foreground processing,前台处理foreground program,前台程序form factor,波形因数Fortin barometer,福丁气压表forward channel,正向信道Foundation Fieldbus(FF),基金会现场总线；FF总线 four-terminal standard resistor,四端（钮）标准电阻器Fourier transform,傅里叶变换Fouier transform ion cyclotron resonance mass spertrometer (FT-ICR-MS), 傅立叶变换离子回旋共振质谱计 Fourier transform infrared spectrometry,傅立叶变换红外光谱法Fourier transform spectrometer,傅里叶变换光谱仪fracture toughness,断裂韧性 fragment ion,碎片离子fragmentation,碎裂过程frqgmentation pattern,碎裂图型frame,帧 framework,框架 free falling STD profilinge system,自返式温盐深剖面仪free field,自由声场 free field correction curves,自由场修正曲线 free-field frequency response of microphone,传声器自由声场频率响应free feild reciprocity calibration,自由声场互易校准free-field sensitivity of microphone,传声器自由声场灵敏度free induction decay signal;FID signal,自由感应衰减信号free oscillating period,自由振动周期free swing of pendulum,摆锤空击 free vehicle respirometer,活动式海底生物呼吸测量器free vibration,自由振动freezing heat,凝固热freezing point,凝固点frequency,频率frequency-amplitude characteristic,幅频特性 frequency analysis,频率分析frequency analyzer,频率分析仪frequency band,频带 frequency distrbution,频率分布frequency division multiplexing,频分多路传输frequency domain,频域frequency domain analysis,频域分析 frequency domain method,频域法 frequency domain model reduction method,频域模型降价法 frequency index,频率指数frequency measurement by comparison with time scale,时标比较法测频frequency measurement by digital meter,用数字频率计测频frequency measurement by Lissajou's figure,用李沙育图形测频 frequency measurement by stroboscope,闪光测频 frequency measurement by vibrationg reed indicator,用舌簧频率计测频frequency meter,频率表frequency modulation（FM),频率周制，调频 frequency of the natural hydraulic mode,液压固有频率 frequency output,频率输出 frequency-phase characteristic,相频特性frequency response,频率响应frequency response characteristics,频率响应特性（图）frequency reponse locus,频率响应轨迹图 frequency response of microphone,传声器频率响应frequency response range,频率响应范围 frequency resonse tracer,频率响应显示仪frequency shift keying(FSK),频移键控 frequency shift magnetometer,频移磁强计frequency sounding instrument,频率测深仪frequency spectra induced polarization instrument,频谱激电仪frequency stabilization,频率稳定 frequency sweeping,频率扫描frequency-temperature coefficient,频率—温度系数Fresnal diffraction string,费涅尔衍射条纹friction bezel ring,压紧盖环friction error,轻敲位移friction velocity,磨擦速度front end processor,前端处理机 frontal chromatography,迎头色谱法frost point hygrometer,霜点湿度计（表）full bridge measurement,全桥测量full capacity trim,全容量阀内件full-load test,满载试验full scale flow-rate,满标度流量full-screen editing,全屏莫编辑full-screen processing(FSP),全屏幕处理full-wave logger,声波全波列测井仪fully developed velocity distrbution,充分发展的速度分布fully insulated current transormer,全绝缘电流互感器fully rough trbulent flow,充分混杂紊流 function,功能 function analysis,功能分析function block,功能块function key,功能键function module,功能模块 function type optic-fibre temperature transducer,功能型光纤温度传感器functional block,功能块 functional decomposition,功能分解functional insulation,功能绝缘functional similarity,功能相似functional simulation,功能仿真fundamental frequency,基本频率fundamental method of measurement,基础测量法fundamental natural mode of vibration,基本固有振型fundamental period,基本周期 fundamental wave,基波funnel-shaped mud viscometer,漏斗式泥浆粘度计furnace for reproduction of fixed points,定点炉furnace for verification use,检定炉fuzzy control,模糊控制 fuzzy controller,模糊控制器fuzzy decision,模糊决策 fuzzy game,模糊对策fuzzy information,模糊信息fuzzy logic,模糊逻辑