flow control,流量控制
flow corrector,流量修正器
flow diagram,流程圖
flow elbow,流量彎管
flow measurement calibration device,流量測量校準裝置
flow measuring device,流量測量裝置
flow nozzle,流量噴嘴
flow profile,流動剖面
flow rate of mobile phase,流動相流速
flow sihnal,流量信號
flow stabilizer,流量穩(wěn)定器
flow switch,流量開關
flow to close,流關
flow to open,流開 flow transducer[sensor],流量傳感器
flowmeter,流量計
flow-rate,流量
flow-rate range,流量范圍
fluctuation,波動（度）
fluid damping galvanometer,液體阻尼振動子
fluidic flowmeter,射流流量計
fluorescence,熒光修正
fluorescence detector,熒光檢測器
fluorescence effect,熒光效應
fluorescent image,熒光象
54
flurescent magnetic partcle,熒光磁粉
fluorescent magnetic particle inspection machine,熒光磁粉探傷機
fluorescent penetrant festing method,熒光滲透探傷法
fluorine plastic,氟塑料
fluorine rubber(viton),氟橡膠
fluorometer,熒光計 flush mounted(pressure)gauge,，嵌裝壓力表
flutter,顫振
flux constant,磁通常數(shù)
flux meter,磁通表
flux of radiation,輻射通量
fluxgate compass,磁通門羅盤
fluxgate magnetometer,磁通門磁力儀；磁通門磁強計
fluxmeter,磁通表
fluxmeter calibrator,磁通表校驗儀
focal distance,焦距
focal plane,焦平面
focal point,焦點
focus,焦點
focus size,焦點尺寸
focus-to-film distance,焦距
focusing,聚焦
focusing type probe,聚焦探頭
fog-gauge,霧量器
foil strain gauge,箔式應變計
folding chart[paper],折疊式記錄紙
follow-up control,隨動控制
follow-up pointer,從動針
food analyzer,食品分析儀
force,力
force-balance acceleration transducer,力平衡式加速度傳感器
force-balance accelerometer,力平衡式加速度計
force convection,強近對流
force standard machine,力標準機
force transducer[sensor],力傳感器
forced vibration,強迫振動；受迫振動
foregraound,前臺 foreground processing,前臺處理
foreground program,前臺程序
form factor,波形因數(shù)
Fortin barometer,福丁氣壓表
forward channel,正向信道
Foundation Fieldbus(FF),基金會現(xiàn)場總線；FF 總線
four-terminal standard resistor,四端（鈕）標準電阻器
Fourier transform,傅里葉變換
Fouier transform ion cyclotron resonance mass spertrometer (FT-ICR-MS), 傅立葉變換離子回
55
旋共振質譜計
Fourier transform infrared spectrometry,傅立葉變換紅外光譜法
Fourier transform spectrometer,傅里葉變換光譜儀
fracture toughness,斷裂韌性
fragment ion,碎片離子
fragmentation,碎裂過程
frqgmentation pattern,碎裂圖型
frame,幀 framework,框架
free falling STD profilinge system,自返式溫鹽深剖面儀
free field,自由聲場
free field correction curves,自由場修正曲線
free-field frequency response of microphone,傳聲器自由聲場頻率響應
free feild reciprocity calibration,自由聲場互易校準
free-field sensitivity of microphone,傳聲器自由聲場靈敏度
free induction decay signal;FID signal,自由感應衰減信號
free oscillating period,自由振動周期
free swing of pendulum,擺錘空擊
free vehicle respirometer,活動式海底生物呼吸測量器
free vibration,自由振動
freezing heat,凝固熱
freezing point,凝固點
frequency,頻率
frequency-amplitude characteristic,幅頻特性
frequency analysis,頻率分析
frequency analyzer,頻率分析儀
frequency band,頻帶
frequency distrbution,頻率分布
frequency division multiplexing,頻分多路傳輸
frequency domain,頻域
frequency domain analysis,頻域分析
frequency domain method,頻域法
frequency domain model reduction method,頻域模型降價法
frequency index,頻率指數(shù)
frequency measurement by comparison with time scale,時標比較法測頻
frequency measurement by digital meter,用數(shù)字頻率計測頻
frequency measurement by Lissajou's figure,用李沙育圖形測頻
frequency measurement by stroboscope,閃光測頻
frequency measurement by vibrationg reed indicator,用舌簧頻率計測頻
frequency meter,頻率表
frequency modulation（FM),頻率周制，調頻
frequency of the natural hydraulic mode,液壓固有頻率
frequency output,頻率輸出
frequency-phase characteristic,相頻特性
frequency response,頻率響應
56
frequency response characteristics,頻率響應特性（圖）
frequency reponse locus,頻率響應軌跡圖
frequency response of microphone,傳聲器頻率響應
frequency response range,頻率響應范圍
frequency resonse tracer,頻率響應顯示儀
frequency shift keying(FSK),頻移鍵控
frequency shift magnetometer,頻移磁強計
frequency sounding instrument,頻率測深儀
frequency spectra induced polarization instrument,頻譜激電儀
frequency stabilization,頻率穩(wěn)定
frequency sweeping,頻率掃描
frequency-temperature coefficient,頻率-溫度系數(shù)
Fresnal diffraction string,費涅爾衍射條紋
friction bezel ring,壓緊蓋環(huán)
friction error,輕敲位移
friction velocity,磨擦速度
front end processor,前端處理機
frontal chromatography,迎頭色譜法
frost point hygrometer,霜點濕度計（表）
full bridge measurement,全橋測量
full capacity trim,全容量閥內件
full-load test,滿載試驗
full scale flow-rate,滿標度流量
full-screen editing,全屏莫編輯
full-screen processing(FSP),全屏幕處理
full-wave logger,聲波全波列測井儀
fully developed velocity distrbution,充分發(fā)展的速度分布
fully insulated current transormer,全絕緣電流互感器
fully rough trbulent flow,充分混雜紊流
function,功能
function analysis,功能分析
function block,功能塊
function key,功能鍵
function module,功能模塊
function type optic-fibre temperature transducer,功能型光纖溫度傳感器
functional block,功能塊
functional decomposition,功能分解
functional insulation,功能絕緣
functional similarity,功能相似
functional simulation,功能仿真
fundamental frequency,基本頻率
fundamental method of measurement,基礎測量法
fundamental natural mode of vibration,基本固有振型
fundamental period,基本周期
57
fundamental wave,基波
funnel-shaped mud viscometer,漏斗式泥漿粘度計
furnace for reproduction of fixed points,定點爐
furnace for verification use,檢定爐
fuzzy control,模糊控制
fuzzy controller,模糊控制器
fuzzy decision,模糊決策
fuzzy game,模糊對策
fuzzy information,模糊信息
fuzzy logic,模糊邏輯
flow corrector,流量修正器
flow diagram,流程圖
flow elbow,流量彎管
flow measurement calibration device,流量測量校準裝置
flow measuring device,流量測量裝置
flow nozzle,流量噴嘴
flow profile,流動剖面
flow rate of mobile phase,流動相流速
flow sihnal,流量信號
flow stabilizer,流量穩(wěn)定器
flow switch,流量開關
flow to close,流關
flow to open,流開 flow transducer[sensor],流量傳感器
flowmeter,流量計
flow-rate,流量
flow-rate range,流量范圍
fluctuation,波動（度）
fluid damping galvanometer,液體阻尼振動子
fluidic flowmeter,射流流量計
fluorescence,熒光修正
fluorescence detector,熒光檢測器
fluorescence effect,熒光效應
fluorescent image,熒光象
54
flurescent magnetic partcle,熒光磁粉
fluorescent magnetic particle inspection machine,熒光磁粉探傷機
fluorescent penetrant festing method,熒光滲透探傷法
fluorine plastic,氟塑料
fluorine rubber(viton),氟橡膠
fluorometer,熒光計 flush mounted(pressure)gauge,，嵌裝壓力表
flutter,顫振
flux constant,磁通常數(shù)
flux meter,磁通表
flux of radiation,輻射通量
fluxgate compass,磁通門羅盤
fluxgate magnetometer,磁通門磁力儀；磁通門磁強計
fluxmeter,磁通表
fluxmeter calibrator,磁通表校驗儀
focal distance,焦距
focal plane,焦平面
focal point,焦點
focus,焦點
focus size,焦點尺寸
focus-to-film distance,焦距
focusing,聚焦
focusing type probe,聚焦探頭
fog-gauge,霧量器
foil strain gauge,箔式應變計
folding chart[paper],折疊式記錄紙
follow-up control,隨動控制
follow-up pointer,從動針
food analyzer,食品分析儀
force,力
force-balance acceleration transducer,力平衡式加速度傳感器
force-balance accelerometer,力平衡式加速度計
force convection,強近對流
force standard machine,力標準機
force transducer[sensor],力傳感器
forced vibration,強迫振動；受迫振動
foregraound,前臺 foreground processing,前臺處理
foreground program,前臺程序
form factor,波形因數(shù)
Fortin barometer,福丁氣壓表
forward channel,正向信道
Foundation Fieldbus(FF),基金會現(xiàn)場總線；FF 總線
four-terminal standard resistor,四端（鈕）標準電阻器
Fourier transform,傅里葉變換
Fouier transform ion cyclotron resonance mass spertrometer (FT-ICR-MS), 傅立葉變換離子回
55
旋共振質譜計
Fourier transform infrared spectrometry,傅立葉變換紅外光譜法
Fourier transform spectrometer,傅里葉變換光譜儀
fracture toughness,斷裂韌性
fragment ion,碎片離子
fragmentation,碎裂過程
frqgmentation pattern,碎裂圖型
frame,幀 framework,框架
free falling STD profilinge system,自返式溫鹽深剖面儀
free field,自由聲場
free field correction curves,自由場修正曲線
free-field frequency response of microphone,傳聲器自由聲場頻率響應
free feild reciprocity calibration,自由聲場互易校準
free-field sensitivity of microphone,傳聲器自由聲場靈敏度
free induction decay signal;FID signal,自由感應衰減信號
free oscillating period,自由振動周期
free swing of pendulum,擺錘空擊
free vehicle respirometer,活動式海底生物呼吸測量器
free vibration,自由振動
freezing heat,凝固熱
freezing point,凝固點
frequency,頻率
frequency-amplitude characteristic,幅頻特性
frequency analysis,頻率分析
frequency analyzer,頻率分析儀
frequency band,頻帶
frequency distrbution,頻率分布
frequency division multiplexing,頻分多路傳輸
frequency domain,頻域
frequency domain analysis,頻域分析
frequency domain method,頻域法
frequency domain model reduction method,頻域模型降價法
frequency index,頻率指數(shù)
frequency measurement by comparison with time scale,時標比較法測頻
frequency measurement by digital meter,用數(shù)字頻率計測頻
frequency measurement by Lissajou's figure,用李沙育圖形測頻
frequency measurement by stroboscope,閃光測頻
frequency measurement by vibrationg reed indicator,用舌簧頻率計測頻
frequency meter,頻率表
frequency modulation（FM),頻率周制，調頻
frequency of the natural hydraulic mode,液壓固有頻率
frequency output,頻率輸出
frequency-phase characteristic,相頻特性
frequency response,頻率響應
56
frequency response characteristics,頻率響應特性（圖）
frequency reponse locus,頻率響應軌跡圖
frequency response of microphone,傳聲器頻率響應
frequency response range,頻率響應范圍
frequency resonse tracer,頻率響應顯示儀
frequency shift keying(FSK),頻移鍵控
frequency shift magnetometer,頻移磁強計
frequency sounding instrument,頻率測深儀
frequency spectra induced polarization instrument,頻譜激電儀
frequency stabilization,頻率穩(wěn)定
frequency sweeping,頻率掃描
frequency-temperature coefficient,頻率-溫度系數(shù)
Fresnal diffraction string,費涅爾衍射條紋
friction bezel ring,壓緊蓋環(huán)
friction error,輕敲位移
friction velocity,磨擦速度
front end processor,前端處理機
frontal chromatography,迎頭色譜法
frost point hygrometer,霜點濕度計（表）
full bridge measurement,全橋測量
full capacity trim,全容量閥內件
full-load test,滿載試驗
full scale flow-rate,滿標度流量
full-screen editing,全屏莫編輯
full-screen processing(FSP),全屏幕處理
full-wave logger,聲波全波列測井儀
fully developed velocity distrbution,充分發(fā)展的速度分布
fully insulated current transormer,全絕緣電流互感器
fully rough trbulent flow,充分混雜紊流
function,功能
function analysis,功能分析
function block,功能塊
function key,功能鍵
function module,功能模塊
function type optic-fibre temperature transducer,功能型光纖溫度傳感器
functional block,功能塊
functional decomposition,功能分解
functional insulation,功能絕緣
functional similarity,功能相似
functional simulation,功能仿真
fundamental frequency,基本頻率
fundamental method of measurement,基礎測量法
fundamental natural mode of vibration,基本固有振型
fundamental period,基本周期
57
fundamental wave,基波
funnel-shaped mud viscometer,漏斗式泥漿粘度計
furnace for reproduction of fixed points,定點爐
furnace for verification use,檢定爐
fuzzy control,模糊控制
fuzzy controller,模糊控制器
fuzzy decision,模糊決策
fuzzy game,模糊對策
fuzzy information,模糊信息
fuzzy logic,模糊邏輯