oceanographic survey,海洋调查octave,倍频程octave(bandwidth)filter,倍频程（宽带）滤波器octave filter set,倍频程滤波器组odd-even check,奇偶校验off-axis response,离轴响应off-line,离线off-line processing,离线处理；脱机处理off-line system simulation,离线系统仿真office automation (OA),办公自动化office automation system (OAS),办公自动化系统office information system (OIS),办公信息系统officially recognized standard,官方认可标准offset,静差offset coefficient,静差系数oil-filled enclosure (Ex o),充油外壳（Ex o）oil-water meter,原油水分仪omegatron mass spectrometer,回旋质谱计omnidirectional microphone,全向传声器on-cold column injector,冷柱头进样器one-dimensional location,线定位；一维空间定位on-line,在线on-line assistence,在线帮助on-line measurement and frequency spectrum analysis,在线测量频谱分析on-line process gas chromatograph,在线过程气相色谱仪on-line processing,在线处理；联机处理on-line real-time processing,在线实时处理on-line real-time system,联机实时系统on-line system simulation,在线系统仿真on-off action,通断作用on-off controller,通断控制器one-man atmospheric submersible,常人常压潜水器one-third octave filter,1/3倍频程滤波器one-turm time of output shaft,输出轴每转时间one-way communication,单向通信open-circuit intermediate voltage,开路中间电压open front case with pressure relief,带泄压装置的前开式外壳open front case without pressure relief,无泄压装置的前开式外壳(open hole) caliper,井径仪open-jet wind tunnel,开口式风洞open loop,开环open loop control,开环控制open loop control system,开环控制系统open loop electronic balance,开环式电子天平open-loop frequency response,开环频率响应open-loop gain,开环增益open-loop gain characteristic,开环增益特性open loop pole,开环极点open loop process control,开环过程控制open loop remote control system,开环遥测控制系统open loop stabilization,开环稳定open loop transfer function,开环传递函数open loop voltage gain,开环电压增益open loop zero,开环零点open source,裸式离子源open system,开放系统；开环系统open system interconnection (OSI),开放系统互连open tubular column,空心柱opening valve time,开阀时间operating conditions,工作条件operating error,工作误差operating infulence,工作条件影响operating limits,极限工作条件operating period,工作周期operating pressure differential,工作压差operating system (OS),操作系统operating temperature range,工作温度范围operating time,工作时间operational amplifier,运算放大器operational reliability,运行可靠性operational research model,运筹学模型operational unit,运算器operations research,运筹学operative limits,极限工作条件operator,操作员operator command,操作员命令operator's console,操作员操纵台operator's station,操作员站optic fiber displacement meter,光纤式位移计optic fiber position measuring instrument,光纤式位置测量仪optic fiber pressure transducer,光纤压力传感器optic fiber tachometer,光纤式转速表optic fiber tachometric transducer,光纤式转速传感器optical arm length,光臂长度optical Doppler effect,光的多普勒效应optical fiber,光导纤维optical fiber chemical sensor,光纤化学传感器optical fibre magnetometer,光纤磁强计optical fiber sensor,光纤式传感器optical(measurement)method,光测法optical micrometer,光学测微器optical plummet,垂准仪；光学对中器optical pumping,magnetometer,光泵磁强计；光泵磁力仪optical(quantity)transducer(sensor),光（学量）传感器optical reading range,光学读数范围optical spectrometer,光学光谱仪optical system,光学系统optical theodolite,光学经纬仪optical vibrometer,光学测振仪optical wedge micrometer,光楔测微器optima estimation,最优估计optimal control,最优控制optimal control law,最优控制律optimal control system,最优控制系统optimal control theory,最优控制理论optimal decision problem,最优决策问题optimal solution,最优解optimal strategy,最做出策略optimality principle,最优性原理optimization,（最）优化optimization layer,优化层optimization technique,最优化技术optimum frequency,最佳频率order,有序order parameter,序参数ordinary temperature thermistor,常温热敏电阻器organic semiconductor gas transducer [sensor],有机半导体气体传感器organic semiconductor humidity transduce [sensor],有机半导体湿度传感器organic semiconductor thermistor,有机半导体热敏电阻器orientation,定向orientation control,定向控制orifice,节流孔orifice plate,孔板orifice-and-plug flowmeter,锥塞式流量计original system,原系统originator,源发站orthogonal distrortion,正交畸变ortho-projector,正射投影仪oscillating period,振荡周期oscillator,振荡器oscillograph,录（示）波器oscillographic polarograph,示波极谱仪oscilloscope,示波器outboard rotor,外重心转子outdoor location,户外场所outer package,外包装outlier,剔除值output device,输出单元；输出设备output equation,输出方程output error,输出误差output feedback,输出反馈output fluctuation,输出波动output force or torque stability,输出激振力或力矩的稳定性output impedance,输出阻抗output impedance of microphone,传声器输出阻抗output information,输出信息output matrix,输出矩阵output noise,输出噪声output prediction method,输出预估法output shaft rotation clearance,输出轴间隙角output shaft rotation range,输出轴转角范围output shaft torque,输出轴转矩output signal,输出信号output signal "one" level,输出信号“1”电平output signal "zero" level,输出信号“0”电平output state,输出状态output stem travel clearance,输出杆间隙位移output system,输出系统output unit,输出设备output variable,输出变量output vector,输出向量；输出矢量oval gear flowmeter,椭圆齿轮流量计oval wheel flowmeter,椭圆齿轮流量计oven temperature,箱温over-current protection,过电流保护over-voltage protection,过电压保护overall design,总体设计overdampin,非周期阻尼；过阻尼overflow,溢出overflow indication,溢出指示overlapping averages,滑动平均overlapping event,交迭事件overload,过载；超负荷overload flow-rate,过载流量over-load meter,过载仪overpressure characteristic,超压特性overpressure failure,超压破裂overrange,过范围overrange limit,过范围限overshoot,过冲；超调量；过振比overview panel,总貌画面overvoltage protection varistor,过电压保护电压敏电阻器oxide thermistor,氧化物热敏电阻器oxygen bomb,氧弹oxygen bomb calorimeter,氧弹式热量计oxygen (pressure)gauge,氧压力表oxygen regulator,氧气减压器ozone analyzer,臭氧分析仪ozone sonde,臭氧探空仪ozone spectrophotometer,臭氧分光光度仪PP-net,P-net总线P-scope,P型显示P.T.C.thermistor,正温度系数热敏电阻器p-type oxide gas sensor,P型氧化物气敏元件P-V-T-t technique,压力-容积-温度-时间法pack,包装件package,包装；包装件packaging,包装packaging standard,包装标准packed capillary column,真充毛细管柱packed column,填充柱packed-type solenoid valve,填料函型电磁阀packet,包packet mode,包方式packet sequencing,包排序packet switching,包交换packing,包装packing box assembly,填料函组件packing machine (liquid chromatographic column),（液相色谱柱）装填机packless solenoid valve,无填料函型电磁阀page addressing,页面寻址page printer,页式打印机page-at-a-time printer,一次一页印刷机；页式印刷机panel,盘；屏，画面panel mounting (pressure) gauge,盘装压力表panoramic exposure,周向照射；全景照射pantograph,缩放仪paper based strain gauge,纸基应变计paper chromatography,纸色谱法paper tape,纸带paper tape punch,纸带空孔机paper tape reader,纸带阅读机paper tape unit,纸带单元parachute drogue,漂流伞parallax,视差parallel computer,并行计算机parallel crate controller,并行机箱控制器parallel highway,并行信息公路parallel operation,并行操作；并联工作parallel output system,并行输出制parallel plate micrometer,平板测微器parallel processing,并行处理parallel programming,并行程序设计parallel transmission,并行传输paramagnetic oxygen analyzer,顺磁式氧分析器parameter,参数parametric input,参量输入parasitic echo,干扰反射波parasitic voltage of voltage divider,分压箱寄生电压parasol radiometer,伞式辐射计parent-molecule ion,母分子离子parity check,奇偶校验partial failure,部分失效partial immersion,thermometer,局浸温度计partial pressure gauge (PPG)，分压强计partial radiation thermometer,部分辐射温度计partition chromatography,分配色谱法partition coefficient,分配系数partition isothem,分配等温线part-turn electric actuator,角行程电动执行机构Pascal,帕（斯卡）pass-line deflection,跑偏passing unregistered gas (PUG),漏记气体passive remote sensing,被动遥感passive transducer [sensor],无源传感器path,通路path frame,通路帧path protocol,通路协议path unit,通路单元pattern,探伤图形pattern coefficient,图型系数pattern recognition,模式识别peak,峰peak area,峰面积peak base,峰底peak detector,峰值检波器peak distortion,谱峰畸变peak energy,峰能量peak height,峰高peak identification,谱峰鉴别peak matching,峰匹配peak of noise,噪声高度peak overlap,谱峰重叠peak point,峰顶（点）peak separation,峰距peak shape factor,峰形系数peak sound pressure,峰值声压peak stripping,谱峰剥离peak temperature,峰温度peak time,峰值时间peak-to-peak value,峰峰值peak-to-peak value of displacement,峰-峰值位移peak (top) flatness,峰顶平直度peak transmittance,峰值透过率peak value,峰值peak value of humidity,湿度峰值peak value of temperature,温度峰值peak voltmeter,峰值电压表peak wavelength,峰值波长peak width,峰宽peak width at half height,半高峰宽Peltier coefficient,珀尔帖系数Peltier heat,珀尔帖热pen,墨水笔pen recorder,笔式记录仪pen rising mechanism,抬笔机构pendulum impact testing machine,摆锤式冲击试验机pendulum meter,摆仪pendulum striking edge,摆锤冲击刀刃penetrameter,透度计；像质计penetrant inspection unit,渗透液清洗剂penetrant testing method,渗透探伤法penetrants,渗透液Penning gauge,冷阴极电离规；潘宁规percentage of theoretical slope (PTS),百分理论斜率performance,性能performance characteristics,性能特性performance evaluation,性能指标periodic and random deviations(PARD),周期和随机偏差periodic damping,周期阻尼；欠阻尼periodic test,定期试验periodic vibration,周期振动periodic waves marker,周期波时标peripheral control unit,外围设备控制器peripheral equipment,外围设备peripheral flow-rate,周缘流量peripheral interface adapter(PIA),外围接口适配器peripheral transfer,外围传送peristaltic multi-channel pump,多通道蠕动泵permanent flow-rate,常设流量permanent-magnet-coil instrument,永磁动圈式[磁电系]仪表permanent magnetic lens,永磁透镜permanent-magnet movingcoil galvanometer,永磁动圈式[磁电系]检流计[振动子] permeability,渗透率permeability tube,渗透管permeameter,磁导计permissible cumulative discharge of standard cell,标准电池允许累计放电量permissible discharge of standard cell,标准电池允许放电量persistent wave NMR spectroscope,边疆波核磁共振波谱仪personal error,人为误差petroleum oil detection buoy system,石油探测浮标系统pH electrode assembly,pH复合电极pH meter,pH计pH transducer [sensor],pH传感器pH value,pH值phase,相phase analysis,相位分析phase angle,相角phase angle stabilization,相角稳定phase contrast,位相衬度phase controlled circuit breaker,断电相位控制器phase datum mark,相位基准标记phase detection,相位检测phase detector,鉴相器phase difference,相位差phase difference torque transducer,相位差式转矩传感器phase displacement,相位差；角误差plase distance meter,相位式测距仪phase indicator,相位指示器phase lage,相位滞后phase lead,相位超前phase locus,相轨迹phase margin,相位裕度phase measurement,相位的测量phase meter,相位表phase modulation (PM),相位调制；调相phase of unbalance,不平衡相位phase plane,相平面phase plane portrait,相平面图phase ratio,相比率phase reference generator,参考相位发生器phase response,相位响应phase sensitive detector,相敏检波器phase sequence indicator,相序指示器phase space,相空间phase trajectory,相轨迹phase transition,相变phase variable,相变量phase-continuous FSK,相位连续FSKphase-crossover frequency,相位交越频率phase-frequency characteristics,相频特性phase-shift ultrasonic flowmeter,相移式超声流量计phon,方（响度级的单位）phosphorescence,磷光photo conduction tube,光导管photo electron spectroscopy (PES),光电子能谱法photo-electrical coded compass,光电码罗盘photo-electrostatic display recorder,感光静电显示记录仪photo ionization,光电离photo resistor,光敏电阻器photo-sensitive recorder,感光显示记录仪photo sensor,光敏元件photo-theodoliti,摄影经纬仪photoacoustic spectrometry,光声光谱法photoconductive transducer [sensor],光导式传感器photoelectric colorimeter,光电比色法photoelectric comparator,光电比较仪photoelectric effect,光电效应photoelectric fluxmeter,光电磁通表photoelectric length meter,光电式长度计photoelectric position detector,光电式位置检测器photoelectric roll gap measuring instrument,光电式辊缝测量仪photoelectric tachometer,光电式转速表photoelectric tachometric transducer,光电式转速传感器photoelectric thermometer,光电温度计photoelectric transmissometer,光电透射仪photoelectric width meter [gauge],光电式宽度计photoelectro magnetic element,光电磁敏元件photoionization detector (PID),光离子化检测器photometer,光度计photometric linearity,光度测量线性photomultiplier,光电倍增管phototheodilite,摄影经纬仪；照相经纬仪phototube,光电管photovoltaic cell,光电池photovoltaic transducer [sensor],光伏式传感器physical layer (PL),物理层physical model,物理模型physical modeling,物理建模physical property type transducer [sensor],物性型传感器physical quantity transducer [sensor],物理量传感器physical similarity,物理相似physical simulation,物理仿真physical symbol system,物理符号系统physiological quantity transducer [sensor],生理量传感器picture spectrograph,图象摄谱仪piezoelectric acceleration transducer,压电式加速度传感器piezoelectric effect,压电效应piezoelectric force transducer,压电式力传感器piezoelectric microphone,压电传声器piezoelectric pressure transducer,压电式压力传感器piezoelectric transducer [sensor],压电式传感器；压电换能器piezoelectric vibrator,压电振动器piezoelectric vibrometer,压电式振动计piezometer ring,均压环piezo-resistance effect,压阻效应piezoresistive acceleration transducer,压阻式加速度传感器piezoresistive accelerometer,压阻式加速度计piezoresistive effect,压阻效应piezoresistive pressure transducer,压阻式压力传感器piezoresistive transducer [sensor],压阻式传感器piezoresistive vibrometer,压阻式振动计piggy-back microbiological sampler,复背式微生物采集器pilot,先导阀pilot valve,指挥器pilot balloon theodolite,测风经纬仪pilot-operated regulator,指挥器操作型自力式调节阀pilot-operated solenoid valve,先导型电磁阀pin-cushion distortion,枕形畸变；正畸变pinger,水声信标pinion,轴齿轮pink noise,粉红噪声pipe prover,标准体积管；管式校准器pipe reducer,异径接管Pirani gauge,电阻规；皮拉尼规Pirani vacuum gauge,皮拉尼真空计piston,活塞piston actuator,活塞执行机构piston-cylinder assembly,活塞部件piston gauge,活塞式压力计piston gauge with equilibrium liquid,带平衡液柱活塞式压力计piston gauge with re-entrant cylinder column,反压活塞式压力计piston prover,活塞校准器piston rotation perdurability,活塞下降速度piston with weight carrier,带有底盘装置的活塞pistonphone,活塞发声器Pitot static tube,皮托静压管Pitot tube,皮托管pivot galvanometer,轴尖式检流计pivot knife-plane,支点刀座plain glass window,防护白玻璃观察窗planar array,平面阵planar (quad) location,平面定位plane bearing,平面支承plane grating,平面光栅plane separation,平面分离plane separation network,平面分离电路plane table equipment,平板仪plane table thermoconductivity meter,行星齿轮减速器planimeter,求积仪plankton bucket,浮游生物网底管plankton counting chamber,浮游生物计数框plankton haul [trawl],浮游生物拖网plankton net,浮游生物网plankton pump,浮游生物泵plankton tow net,浮游生物拖网plankton volume indicator,浮游生物体积测量器plant environment,工厂环境plant growth test chamber,植物生长试验箱plasma chromatograph-mass spectrometer (PC-MS),等离子色谱-质谱联用仪plasma chromatography,等离子蚀刻机plastic sampler,塑料采水器plastic window,塑料观察窗plasticity,塑性plate wave,板波plate wave technique,板波法plateau,平台；坪Platinum-10% Rhodium/Platinum thermocoupe,铂铑10-铂热电偶Platinum-13% Rhodium/Platinum thermocouple,铂铑13-铂热电偶Platinum-30% Rhodium/Platinum-6% Rhodium thermocouple,铂铑30-铂铑6热电偶platinum resistance thermometer sensor,铂热电阻playback apparatus,回放仪plotter,绘图机；绘图仪；地震剖面仪plotting tablet,标图板plug-in unit,插件plug valve,旋塞阀plumb,垂直器plunger,动铁芯plunger pump,柱塞泵plunger tube,隔磁管plunger viscometer,活塞式粘度计pluviograph,雨量计pluvioscope,降水测定器pneumatic actuator,气动执行机构pneumatic bubbling gauge,补气引压式验潮仪pneumatic control,气动控制pneumatic limit operator,气动极限操作器pneumatic piston gauge,气动活塞式压力计pneumatic pump,气动泵pneumatic rotary actuator,角行程气动执行机构pneumatic system,气动压力系统pneumatic thickness meter,气动厚度计point drift,点漂point filament,点头灯丝point location,点定位point-to-point connection,点对点连接point-to-point control,点对点控制；点位控制point-to-point control system,点到点控制系统point to point resolution,点分辨力point-to-point transmission,点对点传输pointer,指针；指示字pointer adjustment,指针调整器pointer galvanometer,指针式检流计pointer instrument,指针式仪表pointer length,指针长度pointer travel,指针转角points of mean axial fluid velocity,平均轴向流体速度点poise nut,平衡铊polar aurora,极光polar coordinate type potentiometer,极坐标式电位差计polar plot,极线图polarimeter,偏振表；偏振计polarimetry,旋光法polariscope,偏振仪polarity indicator,极性响应时间polarization voltage,极化电压polarized cartridge capacitance,极化极头电容polarogram,极谱图polarograph,极谱仪polarograph quantitative detection limit,极谱仪定量检测限polarographic cell,极谱池polarographic maxima,极谱极大polarography,极谱法pole,极点pole assignment,极点配置pole piece,极靴polling,探询；轮询pollution,污染polyamide,聚酰胺polyethylene,聚乙烯polypropylent,聚丙烯polytetrafluror-ethylene (teflon),聚四氟乙烯（特氟隆）polyvinyliden fluoride,聚氟乙烯popular scanning electron microscope,普及型扫描电子显微镜popular transmission electron microscope,普及型透射电子显微镜population,总体porcelain insulator,绝缘瓷瓶porous polymer beads,高分子多孔小球porous-layer open-tubular column;PIOT column,多孔层空心柱port,通信口；端口port guiding,阀口导向portable hardness tester,携带式硬度计portable multipurpose instrument set,轻便综合观测仪portable X-ray detection apparatus,携带式X射线探伤机portability,可移植性portable (measuring) instrument,可[便]携式（测量）仪表position,位置position encoder,位置编码器position error,位置误差；四角误差position error coefficient,位置误差系数position feedback,位置反馈position indicating switch,阀位指示开关position limit switch,行程开关position transducer [sensor],位置传感器positioner,定位器positive displacement flowmeter,容积式流量计positive feedback,正反馈positive knives linear,正刀联线positive-negative action,正负作用positive negative three-step action,正负三位作用positive pressure,正压positive shock response spectrum,正冲击响应谱positive strain,正应变positive system,正系统positive temperature coefficient thermistor,正温度系数热敏电阻post emulsifiable dye penetrant testing method,后乳化性着色渗透探伤法post emulsifiable fluorescent penetrant testing method,后乳化性荧光渗透探伤法post emulsifiable penetrant,后乳化性渗透液potential evaporation,蒸发率potentiometer,电位器potentiometer compass,电位器罗盘potentiometer pressure transducer,电位器式压力传感器potentiometer type pressure transducer,电位器式压力传感器potentiometric analyzer,电位式分析器potentiometric displacement transducer,电位滴定（法）potentiometric transducer [sensor],电位器式传感器potentiometry,电位法powder-filled enclosure (Ex q），充砂外壳(Ex q）powder sample,粉末样品power amplifier,功率放大器power compensation differential scanning calormeter,功率补偿差示扫描量热仪power-compensation differential scanning calorimetry,功率补偿型差示扫描量热法power factor meter,功率因数表power source,主电源power spectral density,功率谱密度power supply device,电源装置power supply frequency,电源频率power supply voltage,电源电压power system automation,电力系统自动化power-fail circuit,电源故障电路practical response time,实用响应时间practical salinity scale 1978,1978实用盐标pre-conditioning time,预处理时间pre-vacuum chamber,预抽室pre-weighing,预称装置preamplifier,前置放大器precipitation gauge,雨量量筒precipitation intensity,降水强度precise stereoplotter,精密立体测图仪precision,精密度precision disc grinder,样品磨薄机precision micrometer [microdisplacement] inspection instrument,精密测微检定仪precision of measurement,测量精密度precision (pressure) gauge,精密压力表predictive control,预测控制preliminary adjustment,初调；预调整premix burner,预混燃烧器preparative chromatography,制备色谱法preparative gas chromatograph,制备气相色谱仪preparative liquid chromatograph,制备液相色谱仪prepayment meter,预付费电度表press,压块机pressure,压力；压强pressure adjusting screw,压力调节螺杆pressure altitude formula,气压测高公式pressure bell,引压钟pressure compensator,压力补偿器pressure constant state,恒压状态pressure/depth conversion factor,压力-深度转换系数pressure facility,压力设备pressure frequency response of microphone,传声器声压频率响应pressure gauge,压力表pressure gauge tester,压力表校验器(pressure)gauge with back connection,轴向压力表(pressure)gauge with bottom connection,径向压力表(pressure)gauge with electric contact,电接点压力表(pressure)gauge with transmission device,电远传压力表pressure gradient correction factor,压力梯度校正因子pressure gradient microphone,压差传声器pressure in the ocean,海洋中的压力pressure instrument,压力仪表pressure isolating chamber,压力隔离容器pressure level measuring device,压力液位测量装置pressure loss,压力损失pressure measuring set,压力测量仪pressure microphone,压强传声器(pressure) multiplier,倍压器pressure-operated plankton net,压力开关浮游生物网pressure plate anemometer,压板风速表pressure range,压力范围pressure ratio,压力比pressure recovery,压力恢复pressure regulator,减压器pressure regulator spring,减压器弹簧pressure regulator valve,减压器滑阀pressure regulator valve pin,减压器阀针pressure regulator valve spring,减压器阀弹簧pressure relief plug,泄压塞[板]pressure repeater,压力重复器pressure seal,压力隔离装置pressure sensitivity of microphone,传声器声压灵敏度pressure spectrum level,声压谱级pressure (step-type)controller,压力（位式）控制器pressure switch,压力开关pressure tappings [taps],取压口pressure test chamber,气压试验箱pressure tide gauge,压力式验潮仪pressure tight case,气密外壳pressure transducer [sensor],压力传感器pressure transmitter,压力变送器pressure tube anemometer,压管风速表pressure type wave gauge,压力式测波仪pressure vessel,压力容器pressurized enclosure (Ex p),正压外壳（Ex p）prevacuum,前级真空，粗真空prevailing wind,盛行风preventive maintenance,预防性维修；预防性维护primary coil,一次线圈primary current (of a current transformer),（电流互感器的）一次电流primary device,一次装置primary feedback,主反馈primary force standard machine,力基准机primary standard,基准（器）primary voltage,一次电压primary winding,一次绕组principal component analysis (PCA),主成分分析法principal period of calorimetric test,量热实验的主期principal plane,主平面principal point,主点principal stress,主应力principle of measurement,测量原理printer,打印机；印刷机printing current meter,印刷海流计printing recorder,打印式记录仪priority,优先权；优先级prism mass spectrometer,棱镜质谱计prism monochromator,棱镜单色仪probe,探头probe coil,探头线圈probe coil clearance,探头线圈间隙probe index,探头入射点probe ion,探针离子probe method,探针法probe microphone,探管传声管probe rotational scan,摆动扫查probe to flaw distance,探头-缺陷距离problem oriented language,面向问题的语言procedure-oriented language,面向过程的语言process automation,过程自动化process control,过程控制process control computer,过程控制计算机process control level,过程控制级process control software,过程控制软件process control system,过程控制系统process engineer's console,过程工程师操纵台Process Fieldbus;PROFIBUS，过程现场总线；PROFIBUS现场总线process gas chromatograph,流程气相色谱仪process I/O,过程输入/输出；过程I/Oprocess input/output channel,过程输入输出通道process input/output device,过程输入输出装置process mass spectrometer,流程质谱计process measurement,过程测量process model,过程模型process-oriented sequential control,过程定序顺序控制process-oriented simulation,面向过程的仿真processibility test,工艺性能试验processor,处理机；处理器；处理程序prod magnetizing method,支杆法；圆棒电极磁化法prods,支杆触头product specification,产品规范product standard,产品标准production budget,生产预算production function,生产函数Profibus-DP (Decentralized Periphery),PROFIBUS-分散型外围设备总线Profibus-FMS (Field Message Specification),PROFIBUS-现场报文规范总线Profibus-PA (Process Automation),PROFIBUS-过程自动化总线Profile,行规profit control,利润控制profit forecast,利润预测program,程序program architecture,程序体系结构program-controlled testing machine,程序控制试验机program correctness,程序正确性program debugging tool,程序调试工具program evaluation and review technique (PERT),计划评审技术program execution time,程序执行时间program file,程序文件program file,程序文件program library,程序库program linking,程序连接program mode,程序方式program read-in,程序读入program run,程序运行program set station,程序设定操作器program specification,程序规格说明program validation,程序确认programmable controller,可编程序控制器programmable logic controller (PLC),可编程序逻辑控制器programmable terminal,可编程终端programme control digital logger,程控数字测井仪programmed control,程序控制programmed control system,程序控制系统；程控系统programmed flow gas chromatography,程序变流气相色谱法programmed pressure gas chromatography,程序变压气相色谱法programmed temperature gas chromatography,程序升温气相色谱法programmer,程序（设计）员programmer's console,程序员操纵台programming,程序设计programming flowchart,程序设计流程图programming support environment,程序设计支持环境projector,投影镜projector for transferring,投影转绘仪propeller,（螺）旋浆propeller anemograph,螺旋浆风向风速计propeller type current-meter,旋桨式流速计proportional action;P-action,比例作用；P-作用proportional action coefficient,比例作用系数proportional band(of a controller),(控制器的）比例带proportional bandwidth filter,比例带宽滤波器proportional control,比例控制proportional controller; P controller,比例控制器；P控制器proportional electric actuator,比例式电动执行机构proportional gain,比例增益proportional limit,比例极限proportional plus derivative action;PD-action,比例微分作用；PD-作用proportional plus derivative control,比例微分控制proportional plus derivative controller;PD controller,比例微分控制器；PD控制器proportional plus integral action;PI-action,比例积分作用；PI-作用proportional plus integral control,比例积分控制proportional plus integral controller;PI controller,比例积分控制器；PI控制器proportional plus integral plus derivative action;PID-action,比例积分微分作用；PID-作用proportional plus integral plus derivative control,比例积分微分控制proportional plus integral plus derivative controller;PID controller,比例积分微分控制器；PID控制器proportionality transmitter,比值变送器prospecting potentiometer,探矿电位计protected junction,保护端protective current transformer,保护用电流互感器protective device,保护装置protective tube,保护管protective voltage transformer,保护用电压互感器protocol,协议protocol engineering,协议工程proton(precession) magnetometer,质子旋进磁力仪prototype,原型prototype process time,原型过程时间prototype variable,原型变量prover (ball or piston),（球式或活塞式）校准装置proving [test] rotor,校验转子pseudocolor density slicer,假彩色密度分割仪psychrometer,干湿球湿度计；干湿表psychrometric [hygromtric] tables,湿度查算表psychrometric constant,湿度计算常数psychrometric formula,湿度公式pull-rod,拉杆pulsating flow,脉动流pulsating flow of mean constant flow-rate,恒定平均流量的脉动流pulse code modulation (PCM),脉码调制；脉冲编码调制pulse control,脉冲控制pulse duration,脉冲持续时间pulse duration modulation,脉冲宽度调制pulse duration modulation magnetic tape record type strong-motion instrument,脉冲调宽式磁带记录强震仪pulse echo technique,脉冲反射法pulse flip angle,脉冲回转角pulse Fourier transform NMR,脉冲傅立叶变换核磁共振（法）pulse Fourier transform NMR spectroscope,脉冲傅里叶变换核磁共振波谱仪pulse frequency modulation control system,脉冲调频控制系统pulse frequency modulation magnetic tape record type strong-motion instrument,脉冲调频式磁带记录强震仪pulse pileup rejection,脉冲堆积排除器pulse polarograph,脉冲极谱仪pulse position modulation,脉冲位置调制pulse recurrence frequency,脉冲重复频率pulse repetition frequency,脉冲重复频率pulse transducer [sensor],脉搏传感器pluse type airborne electromagnetic instrument,脉冲式航空电磁仪pulse type NMR spectroscope,脉冲核磁共振波谱仪pulse-width modulation,脉冲宽度调制pulse width modulation control system; PWM control system,脉冲调宽控制系统pulsed-light ceilometer,脉冲光束云高计pulsed-light cloud-height indicator,脉冲光束云高计pulsed optical feedback,脉冲光反馈pump,泵punched card,穿孔卡片punched tape,穿孔带Pusey and Jones indentation hardness number,赵氏硬度值Pusey and Jones indentation instrument,赵氏硬度计pyranograph,总日射计pyranometer,总日射表pyrgeometer,地球辐射表；大气辐射表pyrheliometer,直接日射强度表；日射表pyroelectric optical transducer [sensor],热释电式光传感器pyroelectric temperature transducer [sensor],热释电式温度传感器pyrolysis apparatus,裂解器pyrolysis gas chromatography,裂解气相色谱法pyrometer lamp,高温计灯泡pyrradiometer,全辐射表QQ factor,Q值因数Q-percentile life,可靠寿命quad array,方阵quadrant-edge orifice plate,1/4圆周边缘孔板quadrant electrometer,象限静电计quadrupole field,四极场quadrupole ion trap,四极离子阱quadrupole mass filter,四极滤质器quadrupole mass spectrometer,四极质谱计。
