電子類常用英漢對照詞典11

N

n-exponent,n-指數(shù)

N.T.C.thermistor,負(fù)溫度系數(shù)熱敏電阻器

Nansen bottle,南森采水器

Nansen opening-and-closing net,南森開團(tuán)式網(wǎng)

narrow-band filter,窄帶濾波器

narrow-band random vibration,窄帶隨機(jī)振動

narrow band spectrum,窄波段

national satellite,國土衛(wèi)星

national standard,國家標(biāo)準(zhǔn)

natural convection,自然對流

natural electric-field method instrument,自然電場法儀器

natural environment,自然環(huán)境

natural field electro-detector,天然場電測儀

natural frequency,固有頻率

natural frequency measurement,固有頻率的測量

natural frequency of rotor/bearing system,轉(zhuǎn)子支承系統(tǒng)固有頻率

natural gamma spectromenter of logger,自然伽瑪能譜測井儀

natural inherent frequency,自然固有頻率

natural mode of vibration,固有振型

near field,近場

near infrared range(NIR)remote sensing,近紅外遙感

near-optimality,近優(yōu)性

nearest-neighbor,最近鄰

nebulizer,霧化器

negative feedback,負(fù)反饋

negative knives linear,負(fù)刀聯(lián)線

negative pressure,負(fù)壓；真空

negative shock response spectrum,負(fù)沖擊響應(yīng)譜

negative strain,負(fù)應(yīng)變

negative tempperature coefficient thermistor,負(fù)溫度系數(shù)熱敏電阻

nephelometer,渾濁度表

nephoscope,測云器

Nernst equation,能斯特方程

nest,嵌套

net pyrgeometer,凈地球輻射表

net pyrradiometer,輻射平衡表

net radiation,凈輻射；輻射平衡；輻射差額

net retention time,凈保留時間

net retention volume,凈保留體積

net sounder,網(wǎng)位儀

net terrestrial radiation,凈地球輻射

network frame,網(wǎng)絡(luò)幀

network management,網(wǎng)絡(luò)管理

network model,網(wǎng)絡(luò)模型

network protocol,網(wǎng)絡(luò)協(xié)議

network technique,網(wǎng)絡(luò)技術(shù)

neutral absorption,中性吸收

neutral filter,中性濾光片

neutral zone,中間區(qū)

neutrally buoyant float,中性浮標(biāo)

Newton's fluid,牛頓流體

neutron dosimeter,牛頓流動定律

neutron dosimeter,中子劑量計

neutron logging instrument,中子測井儀

neutron fraiograghy,中子射線照相術(shù)

neutron spectromenter,中子能譜儀

neutron-gamma radiometer,中子伽瑪輻射儀

Nickel-Chromium/CopperNickel thermocouple,鎳鉻-銅鎳熱電偶

Nickel-Chromium/NickelAluminium[Silicom] thermocouple，鎳鉻-鎳鋁[硅]熱電偶

Nickel-Chromium-Silicom/Nickel-Silicom thermocouple,鎳鉻硅鎳硅熱電偶

Nier-Johnson geometry mass spectrometer,尼爾-約翰遜型 雙聚焦質(zhì)譜計

NIM bin NIM,機(jī)箱

Niskin sterile water sampler,尼斯金無菌采水器

nitrile rubber(Buna N),丁晴橡膠

nitrogen dioxide trnsfer furnace,二氧化氮轉(zhuǎn)化爐

nitrogen-oxide analyzer,氮氧化物分析儀

NMR absorption band,核磁共振吸收帶

NMR absorption line,核磁共振吸收線

NMR equipment,核磁共振儀

NMR line width,核磁共振線寬

no-load,空負(fù)荷

no-load test,空載試驗

node,節(jié)點(diǎn)

noetic science,思維科學(xué)

noise,噪聲

noise dose,噪聲劑量

noise dose meter,噪聲劑量計

noise factor,噪聲系數(shù)

noise generator,噪聲發(fā)生器

noise level,噪聲電平

noise level analyzer,噪聲級分析儀

noise prediction,噪聲預(yù)估

noise room,噪聲室

noise suppressing varistor,消噪電壓敏電阻器

noise thermometer,噪聲溫度計

noise transducer [sensor],噪聲傳感器

nominal cartridge diameter of microphone,傳聲器極頭公稱直徑

nominal characteristic,名義特性

nominal flow-rate,公稱流量

nominal heat value,標(biāo)定熱值

nominal humidity,標(biāo)稱濕度

nominal operating condition,正常工作條件

nominal pressure rating,公稱壓力

nominal range,標(biāo)稱使用范圍；標(biāo)稱量限

nominal range of use,標(biāo)稱使用范圍

nominal size,公稱通徑

nominal temperature,標(biāo)稱溫度

nominal travel,標(biāo)稱行程

nominal value,標(biāo)稱值

nominal voltage ratio,標(biāo)稱電壓比

non-conformity,不合格

non-contact thermometry,非接觸測溫法

non-crystalline electrode,非晶體電極

non-delimiter byte,非定界字節(jié)

non-destructive inspection,無損探傷

non-destructive inspection machine,無損探傷機(jī)

non-dimensional [relative] velocity,無量綱[相對]速度

non-dispersive infra-red gas analyzer;NDIR gas analyzer,非色散紅外線氣體分析器；NDIR氣體分析器

non-engineering system simulation,非工程系統(tǒng)仿真

non-enveloped thermistor,非密封型熱敏電阻器

non-function type optic-fibre temperature transducer,非功能型光纖溫度傳感器

non-interacting control,無相關(guān)控制

non-interchangeable accessory,不可互換附件

non-isolated analogue input,非隔離的模擬輸入

non-line conversion,非線性轉(zhuǎn)換

non-linear damping,非線性阻尼

non-magnetic strain gauge,抗磁性應(yīng)變計

non-Newtonian fluid,非牛頓流體

non-radioactive electron capture detector,無放射源電子捕獲檢測器

non-reference line imaginary real amplitude receiver,無參考線虛分量儀

non-relevant failure,非關(guān)聯(lián)失效

non return magnetometer,無定向磁力儀

non rotational imaging,無旋轉(zhuǎn)成象

non-selective radiator,非選擇輻射體

non split stream injector,無分流進(jìn)樣器

non-uniformity of chart [paper] speed,紙速不均勻性

non-uniqueness,非唯一性

noncapacitive a.c.arc,非電容性交流電弧

nondeterminisitic control system,非確定性控制系統(tǒng)

nondeterministic model,非確定性模型

nondiffraction X-ray spectrometer,非衍射X射線光譜儀

nonequilibrium state,非平衡態(tài)

nonequilibrium system,非均衡系統(tǒng)

nonlinear characteristics,非線性特性

nonlinear control system,非線性控制系統(tǒng)

nonlinear control system theory,非線性控制系統(tǒng)理論

nonlinear estimation,非線性估計

nonlinear model,非線性模型

nonlinear prediction,非線性預(yù)報

nonlinear programming,非線性規(guī)劃

nonlinear scale,非線性標(biāo)度

nonlinear system simulation,非線性系統(tǒng)仿真

nonlinear vibration,非線性振動

nonlinear viscous damping,非線性粘性阻尼

nonlinearity,非線性

nonmetallic material testing machine,非金屬材料試驗機(jī)

nonreturn-to-zero (NRZ),不歸零制

normal barometer,標(biāo)準(zhǔn)氣壓表

normal beam technique,垂直法

normal beam testing,垂直法

normal calomel electrode,當(dāng)量甘汞電極

normal distribution,正態(tài)分布

normal flow rate,正常流量

normal modes,正態(tài)振型

normal operating conditions,正常工作條件

normal-phase liquid chromatography,正相液相色譜法

normal probe,直探頭

normal station,普通站

normal stress,正應(yīng)力

normal temperature strain gauge,常溫應(yīng)變計

normal thermometer,標(biāo)準(zhǔn)溫度表

normalization method,歸一法

normalization regulator,歸一化調(diào)節(jié)器

normalized impedance,歸一化阻抗

normalized mass spectrum,歸一化質(zhì)譜

normalized reactance,歸一化電抗

normalized resistance,歸一化電阻

normally closed solenoid valve,常關(guān)式電磁閥

normally open solenoid valve,常開式電磁閥

notch filter,節(jié)點(diǎn)濾波器

nozzle,噴嘴

n-th nodal unbalance,第n階振型不平衡諧量

N-type oxide gas sensor,N型氧化物氣敏元件

nuclear electric quadrupole moment resonance spectroscopy,核四極共振波譜法

Nuclear Instrument Module (NIM),核儀器模塊

nuclear magnetic double resonance,核磁雙共振（法）

nuclear magnetic resonance magnetometer,核磁共振磁強(qiáng)計

nuclear magnetic resonance spectroscopy;NMR spectroscopy,核磁共振波譜法

nuclear radiation thickness meter,核輻射厚度計

(nuclear)radiation transducer [sensor],（核）輻射式傳感器

nuclei counter,計核器

nude source,裸式離子源

null measurement,指零測量

null method,零位法

null method of measurement,零位測量法；指零測量法；零差測量法

null reading method,零讀法

number of degrees of freedom,自由度數(shù)

number of effective plate,有效板數(shù)

number of theoretical plate,理論板數(shù)

numeric key,數(shù)字鍵

numerical aperture (NA),數(shù)值孔徑

numerical control,數(shù)值控制

numerical value (of a quantity),（量的）數(shù)值

nutating disc flowmeter,（章動）圓盤流量計

nutating flowmeter,章動流量計

nutrients,營養(yǎng)鹽

nutrients analyzer for seawater,海水營養(yǎng)鹽分析器

Nyquist plot,奈奎斯特圖

O

object language,目標(biāo)語言

object plane,物面

object program,目標(biāo)程序

object wave,物體聲束

objective evidence,客觀證據(jù)

objective lens of the scanning electron microscope,掃描電子顯微鏡物鏡

objective lens of the transmission electron microscope,透射電子顯微鏡物鏡

oblique visibility,斜能見度

observability,可觀測性；能觀測性

observation and recording device,觀察和記錄裝置

ocean bottom seismograph,海底地震儀

ocean date station,浮標(biāo)站

oceanographic geological instrument,海洋地質(zhì)儀器

oceanographic instrumentation,海洋儀器

oceanographic measuring system,海洋測量系統(tǒng)

oceanographic observation,海洋觀測

oceanographic survey,海洋調(diào)查

octave,倍頻程

octave(bandwidth)filter,倍頻程（寬帶）濾波器

octave filter set,倍頻程濾波器組

odd-even check,奇偶校驗

off-axis response,離軸響應(yīng)

off-line,離線

off-line processing,離線處理；脫機(jī)處理

off-line system simulation,離線系統(tǒng)仿真

office automation (OA),辦公自動化

office automation system (OAS),辦公自動化系統(tǒng)

office information system (OIS),辦公信息系統(tǒng)

officially recognized standard,官方認(rèn)可標(biāo)準(zhǔn)

offset,靜差

offset coefficient,靜差系數(shù)

oil-filled enclosure (Ex o),充油外殼（Ex o）

oil-water meter,原油水分儀

omegatron mass spectrometer,回旋質(zhì)譜計

omnidirectional microphone,全向傳聲器

on-cold column injector,冷柱頭進(jìn)樣器

one-dimensional location,線定位；一維空間定位

on-line,在線

on-line assistence,在線幫助

on-line measurement and frequency spectrum analysis,在線測量頻譜分析

on-line process gas chromatograph,在線過程氣相色譜儀

on-line processing,在線處理；聯(lián)機(jī)處理

on-line real-time processing,在線實時處理

on-line real-time system,聯(lián)機(jī)實時系統(tǒng)

on-line system simulation,在線系統(tǒng)仿真

on-off action,通斷作用

on-off controller,通斷控制器

one-man atmospheric submersible,常人常壓潛水器

one-third octave filter,1/3倍頻程濾波器

one-turm time of output shaft,輸出軸每轉(zhuǎn)時間

one-way communication,單向通信

open-circuit intermediate voltage,開路中間電壓

open front case with pressure relief,帶泄壓裝置的前開式外殼

open front case without pressure relief,無泄壓裝置的前開式外殼

(open hole) caliper,井徑儀

open-jet wind tunnel,開口式風(fēng)洞

open loop,開環(huán)

open loop control,開環(huán)控制

open loop control system,開環(huán)控制系統(tǒng)

open loop electronic balance,開環(huán)式電子天平

open-loop frequency response,開環(huán)頻率響應(yīng)

open-loop gain,開環(huán)增益

open-loop gain characteristic,開環(huán)增益特性

open loop pole,開環(huán)極點(diǎn)

open loop process control,開環(huán)過程控制

open loop remote control system,開環(huán)遙測控制系統(tǒng)

open loop stabilization,開環(huán)穩(wěn)定

open loop transfer function,開環(huán)傳遞函數(shù)

open loop voltage gain,開環(huán)電壓增益

open loop zero,開環(huán)零點(diǎn)

open source,裸式離子源

open system,開放系統(tǒng)；開環(huán)系統(tǒng)

open system interconnection (OSI),開放系統(tǒng)互連

open tubular column,空心柱

opening valve time,開閥時間

operating conditions,工作條件

operating error,工作誤差

operating infulence,工作條件影響

operating limits,極限工作條件

operating period,工作周期

operating pressure differential,工作壓差

operating system (OS),操作系統(tǒng)

operating temperature range,工作溫度范圍

operating time,工作時間

operational amplifier,運(yùn)算放大器

operational reliability,運(yùn)行可靠性

operational research model,運(yùn)籌學(xué)模型

operational unit,運(yùn)算器

operations research,運(yùn)籌學(xué)

operative limits,極限工作條件

operator,操作員

operator command,操作員命令

operator's console,操作員操縱臺

operator's station,操作員站

optic fiber displacement meter,光纖式位移計

optic fiber position measuring instrument,光纖式位置測量儀

optic fiber pressure transducer,光纖壓力傳感器

optic fiber tachometer,光纖式轉(zhuǎn)速表

optic fiber tachometric transducer,光纖式轉(zhuǎn)速傳感器

optical arm length,光臂長度

optical Doppler effect,光的多普勒效應(yīng)

optical fiber,光導(dǎo)纖維

optical fiber chemical sensor,光纖化學(xué)傳感器

optical fibre magnetometer,光纖磁強(qiáng)計

optical fiber sensor,光纖式傳感器

optical(measurement)method,光測法

optical micrometer,光學(xué)測微器

optical plummet,垂準(zhǔn)儀；光學(xué)對中器

optical pumping,magnetometer,光泵磁強(qiáng)計；光泵磁力儀

optical(quantity)transducer(sensor),光（學(xué)量）傳感器

optical reading range,光學(xué)讀數(shù)范圍

optical spectrometer,光學(xué)光譜儀

optical system,光學(xué)系統(tǒng)

optical theodolite,光學(xué)經(jīng)緯儀

optical vibrometer,光學(xué)測振儀

optical wedge micrometer,光楔測微器

optima estimation,最優(yōu)估計

optimal control,最優(yōu)控制

optimal control law,最優(yōu)控制律

optimal control system,最優(yōu)控制系統(tǒng)

optimal control theory,最優(yōu)控制理論

optimal decision problem,最優(yōu)決策問題

optimal solution,最優(yōu)解

optimal strategy,最做出策略

optimality principle,最優(yōu)性原理

optimization,（最）優(yōu)化

optimization layer,優(yōu)化層

optimization technique,最優(yōu)化技術(shù)

optimum frequency,最佳頻率

order,有序

order parameter,序參數(shù)

ordinary temperature thermistor,常溫?zé)崦綦娮杵?/P>

organic semiconductor gas transducer [sensor],有機(jī)半導(dǎo)體氣體傳感器

organic semiconductor humidity transduce [sensor],有機(jī)半導(dǎo)體濕度傳感器

organic semiconductor thermistor,有機(jī)半導(dǎo)體熱敏電阻器

orientation,定向

orientation control,定向控制

orifice,節(jié)流孔

orifice plate,孔板

orifice-and-plug flowmeter,錐塞式流量計

original system,原系統(tǒng)

originator,源發(fā)站

orthogonal distrortion,正交畸變

ortho-projector,正射投影儀

oscillating period,振蕩周期

oscillator,振蕩器

oscillograph,錄（示）波器

oscillographic polarograph,示波極譜儀

oscilloscope,示波器

outboard rotor,外重心轉(zhuǎn)子

outdoor location,戶外場所

outer package,外包裝

outlier,剔除值

output device,輸出單元；輸出設(shè)備

output equation,輸出方程

output error,輸出誤差

output feedback,輸出反饋

output fluctuation,輸出波動

output force or torque stability,輸出激振力或力矩的穩(wěn)定性

output impedance,輸出阻抗

output impedance of microphone,傳聲器輸出阻抗

output information,輸出信息

output matrix,輸出矩陣

output noise,輸出噪聲

output prediction method,輸出預(yù)估法

output shaft rotation clearance,輸出軸間隙角

output shaft rotation range,輸出軸轉(zhuǎn)角范圍

output shaft torque,輸出軸轉(zhuǎn)矩

output signal,輸出信號

output signal "one" level,輸出信號“1”電平

output signal "zero" level,輸出信號“0”電平

output state,輸出狀態(tài)

output stem travel clearance,輸出桿間隙位移

output system,輸出系統(tǒng)

output unit,輸出設(shè)備

output variable,輸出變量

output vector,輸出向量；輸出矢量

oval gear flowmeter,橢圓齒輪流量計

oval wheel flowmeter,橢圓齒輪流量計

oven temperature,箱溫

over-current protection,過電流保護(hù)

over-voltage protection,過電壓保護(hù)

overall design,總體設(shè)計

overdampin,非周期阻尼；過阻尼

overflow,溢出

overflow indication,溢出指示

overlapping averages,滑動平均

overlapping event,交迭事件

overload,過載；超負(fù)荷

overload flow-rate,過載流量

over-load meter,過載儀

overpressure characteristic,超壓特性

overpressure failure,超壓破裂

overrange,過范圍

overrange limit,過范圍限

overshoot,過沖；超調(diào)量；過振比

overview panel,總貌畫面

overvoltage protection varistor,過電壓保護(hù)電壓敏電阻器

oxide thermistor,氧化物熱敏電阻器

oxygen bomb,氧彈

oxygen bomb calorimeter,氧彈式熱量計

oxygen (pressure)gauge,氧壓力表

oxygen regulator,氧氣減壓器

ozone analyzer,臭氧分析儀

ozone sonde,臭氧探空儀

ozone spectrophotometer,臭氧分光光度儀{{分頁}}

P

P-net,P-net總線

P-scope,P型顯示

P.T.C.thermistor,正溫度系數(shù)熱敏電阻器

p-type oxide gas sensor,P型氧化物氣敏元件

P-V-T-t technique,壓力-容積-溫度-時間法

pack,包裝件

package,包裝；包裝件

packaging,包裝

packaging standard,包裝標(biāo)準(zhǔn)

packed capillary column,真充毛細(xì)管柱

packed column,填充柱

packed-type solenoid valve,填料函型電磁閥

packet,包

packet mode,包方式

packet sequencing,包排序

packet switching,包交換

packing,包裝

packing box assembly,填料函組件

packing machine (liquid chromatographic column),（液相色譜柱）裝填機(jī)

packless solenoid valve,無填料函型電磁閥

page addressing,頁面尋址

page printer,頁式打印機(jī)

page-at-a-time printer,一次一頁印刷機(jī)；頁式印刷機(jī)

panel,盤；屏，畫面

panel mounting (pressure) gauge,盤裝壓力表

panoramic exposure,周向照射；全景照射

pantograph,縮放儀

paper based strain gauge,紙基應(yīng)變計

paper chromatography,紙色譜法

paper tape,紙帶

paper tape punch,紙帶空孔機(jī)

paper tape reader,紙帶閱讀機(jī)

paper tape unit,紙帶單元

parachute drogue,漂流傘

parallax,視差

parallel computer,并行計算機(jī)

parallel crate controller,并行機(jī)箱控制器

parallel highway,并行信息公路

parallel operation,并行操作；并聯(lián)工作

parallel output system,并行輸出制

parallel plate micrometer,平板測微器

parallel processing,并行處理

parallel programming,并行程序設(shè)計

parallel transmission,并行傳輸

paramagnetic oxygen analyzer,順磁式氧分析器

parameter,參數(shù)

parametric input,參量輸入

parasitic echo,干擾反射波

parasitic voltage of voltage divider,分壓箱寄生電壓

parasol radiometer,傘式輻射計

parent-molecule ion,母分子離子

parity check,奇偶校驗

partial failure,部分失效

partial immersion,thermometer,局浸溫度計

partial pressure gauge (PPG)，分壓強(qiáng)計

partial radiation thermometer,部分輻射溫度計

partition chromatography,分配色譜法

partition coefficient,分配系數(shù)

partition isothem,分配等溫線

part-turn electric actuator,角行程電動執(zhí)行機(jī)構(gòu)

Pascal,帕（斯卡）

pass-line deflection,跑偏

passing unregistered gas (PUG),漏記氣體

passive remote sensing,被動遙感

passive transducer [sensor],無源傳感器

path,通路

path frame,通路幀

path protocol,通路協(xié)議

path unit,通路單元

pattern,探傷圖形

pattern coefficient,圖型系數(shù)

pattern recognition,模式識別

peak,峰

peak area,峰面積

peak base,峰底

peak detector,峰值檢波器

peak distortion,譜峰畸變

peak energy,峰能量

peak height,峰高

peak identification,譜峰鑒別

peak matching,峰匹配

peak of noise,噪聲高度

peak overlap,譜峰重疊

peak point,峰頂（點(diǎn)）

peak separation,峰距

peak shape factor,峰形系數(shù)

peak sound pressure,峰值聲壓

peak stripping,譜峰剝離

peak temperature,峰溫度

peak time,峰值時間

peak-to-peak value,峰峰值

peak-to-peak value of displacement,峰-峰值位移

peak (top) flatness,峰頂平直度

peak transmittance,峰值透過率

peak value,峰值

peak value of humidity,濕度峰值

peak value of temperature,溫度峰值

peak voltmeter,峰值電壓表

peak wavelength,峰值波長

peak width,峰寬

peak width at half height,半高峰寬

Peltier coefficient,珀爾帖系數(shù)

Peltier heat,珀爾帖熱

pen,墨水筆

pen recorder,筆式記錄儀

pen rising mechanism,抬筆機(jī)構(gòu)

pendulum impact testing machine,擺錘式?jīng)_擊試驗機(jī)

pendulum meter,擺儀

pendulum striking edge,擺錘沖擊刀刃

penetrameter,透度計；像質(zhì)計

penetrant inspection unit,滲透液清洗劑

penetrant testing method,滲透探傷法

penetrants,滲透液

Penning gauge,冷陰極電離規(guī)；潘寧規(guī)

percentage of theoretical slope (PTS),百分理論斜率

performance,性能

performance characteristics,性能特性

performance evaluation,性能指標(biāo)

periodic and random deviations(PARD),周期和隨機(jī)偏差

periodic damping,周期阻尼；欠阻尼

periodic test,定期試驗

periodic vibration,周期振動

periodic waves marker,周期波時標(biāo)

peripheral control unit,外圍設(shè)備控制器

peripheral equipment,外圍設(shè)備

peripheral flow-rate,周緣流量

peripheral interface adapter(PIA),外圍接口適配器

peripheral transfer,外圍傳送

peristaltic multi-channel pump,多通道蠕動泵

permanent flow-rate,常設(shè)流量

permanent-magnet-coil instrument,永磁動圈式[磁電系]儀表

permanent magnetic lens,永磁透鏡

permanent-magnet movingcoil galvanometer,永磁動圈式[磁電系]檢流計[振動子]

permeability,滲透率

permeability tube,滲透管

permeameter,磁導(dǎo)計

permissible cumulative discharge of standard cell,標(biāo)準(zhǔn)電池允許累計放電量

permissible discharge of standard cell,標(biāo)準(zhǔn)電池允許放電量

persistent wave NMR spectroscope,邊疆波核磁共振波譜儀

personal error,人為誤差

petroleum oil detection buoy system,石油探測浮標(biāo)系統(tǒng)

pH electrode assembly,pH復(fù)合電極

pH meter,pH計

pH transducer [sensor],pH傳感器

pH value,pH值

phase,相

phase analysis,相位分析

phase angle,相角

phase angle stabilization,相角穩(wěn)定

phase contrast,位相襯度

phase controlled circuit breaker,斷電相位控制器

phase datum mark,相位基準(zhǔn)標(biāo)記

phase detection,相位檢測

phase detector,鑒相器

phase difference,相位差

phase difference torque transducer,相位差式轉(zhuǎn)矩傳感器

phase displacement,相位差；角誤差

plase distance meter,相位式測距儀

phase indicator,相位指示器

phase lage,相位滯后

phase lead,相位超前

phase locus,相軌跡

phase margin,相位裕度

phase measurement,相位的測量

phase meter,相位表

phase modulation (PM),相位調(diào)制；調(diào)相

phase of unbalance,不平衡相位

phase plane,相平面

phase plane portrait,相平面圖

phase ratio,相比率

phase reference generator,參考相位發(fā)生器

phase response,相位響應(yīng)

phase sensitive detector,相敏檢波器

phase sequence indicator,相序指示器

phase space,相空間

phase trajectory,相軌跡

phase transition,相變

phase variable,相變量

phase-continuous FSK,相位連續(xù)FSK

phase-crossover frequency,相位交越頻率

phase-frequency characteristics,相頻特性

phase-shift ultrasonic flowmeter,相移式超聲流量計

phon,方（響度級的單位）

phosphorescence,磷光

photo conduction tube,光導(dǎo)管

photo electron spectroscopy (PES),光電子能譜法

photo-electrical coded compass,光電碼羅盤

photo-electrostatic display recorder,感光靜電顯示記錄儀

photo ionization,光電離

photo resistor,光敏電阻器

photo-sensitive recorder,感光顯示記錄儀

photo sensor,光敏元件

photo-theodoliti,攝影經(jīng)緯儀

photoacoustic spectrometry,光聲光譜法

photoconductive transducer [sensor],光導(dǎo)式傳感器

photoelectric colorimeter,光電比色法

photoelectric comparator,光電比較儀

photoelectric effect,光電效應(yīng)

photoelectric fluxmeter,光電磁通表

photoelectric length meter,光電式長度計

photoelectric position detector,光電式位置檢測器

photoelectric roll gap measuring instrument,光電式輥縫測量儀

photoelectric tachometer,光電式轉(zhuǎn)速表

photoelectric tachometric transducer,光電式轉(zhuǎn)速傳感器

photoelectric thermometer,光電溫度計

photoelectric transmissometer,光電透射儀

photoelectric width meter [gauge],光電式寬度計

photoelectro magnetic element,光電磁敏元件

photoionization detector (PID),光離子化檢測器

photometer,光度計

photometric linearity,光度測量線性

photomultiplier,光電倍增管

phototheodilite,攝影經(jīng)緯儀；照相經(jīng)緯儀

phototube,光電管

photovoltaic cell,光電池

photovoltaic transducer [sensor],光伏式傳感器

physical layer (PL),物理層

physical model,物理模型

physical modeling,物理建模

physical property type transducer [sensor],物性型傳感器

physical quantity transducer [sensor],物理量傳感器

physical similarity,物理相似

physical simulation,物理仿真

physical symbol system,物理符號系統(tǒng)

physiological quantity transducer [sensor],生理量傳感器

picture spectrograph,圖象攝譜儀

piezoelectric acceleration transducer,壓電式加速度傳感器

piezoelectric effect,壓電效應(yīng)

piezoelectric force transducer,壓電式力傳感器

piezoelectric microphone,壓電傳聲器

piezoelectric pressure transducer,壓電式壓力傳感器

piezoelectric transducer [sensor],壓電式傳感器；壓電換能器

piezoelectric vibrator,壓電振動器

piezoelectric vibrometer,壓電式振動計

piezometer ring,均壓環(huán)

piezo-resistance effect,壓阻效應(yīng)

piezoresistive acceleration transducer,壓阻式加速度傳感器

piezoresistive accelerometer,壓阻式加速度計

piezoresistive effect,壓阻效應(yīng)

piezoresistive pressure transducer,壓阻式壓力傳感器

piezoresistive transducer [sensor],壓阻式傳感器

piezoresistive vibrometer,壓阻式振動計

piggy-back microbiological sampler,復(fù)背式微生物采集器

pilot,先導(dǎo)閥

pilot valve,指揮器

pilot balloon theodolite,測風(fēng)經(jīng)緯儀

pilot-operated regulator,指揮器操作型自力式調(diào)節(jié)閥

pilot-operated solenoid valve,先導(dǎo)型電磁閥

pin-cushion distortion,枕形畸變；正畸變

pinger,水聲信標(biāo)

pinion,軸齒輪

pink noise,粉紅噪聲

pipe prover,標(biāo)準(zhǔn)體積管；管式校準(zhǔn)器

pipe reducer,異徑接管

Pirani gauge,電阻規(guī)；皮拉尼規(guī)

Pirani vacuum gauge,皮拉尼真空計

piston,活塞

piston actuator,活塞執(zhí)行機(jī)構(gòu)

piston-cylinder assembly,活塞部件

piston gauge,活塞式壓力計

piston gauge with equilibrium liquid,帶平衡液柱活塞式壓力計

piston gauge with re-entrant cylinder column,反壓活塞式壓力計

piston prover,活塞校準(zhǔn)器

piston rotation perdurability,活塞下降速度

piston with weight carrier,帶有底盤裝置的活塞

pistonphone,活塞發(fā)聲器

Pitot static tub