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1、电工专业英语词汇P.N字头P-netP-net总线P-scopeP型显示P.T.C.thermistor正温度系数热敏电阻器p-typeoxidegassensorP型氧化物气敏元件P-V-T-ttechnique压力-容积-温度-时间法pack包装件package包装；包装件packaging包装packagingstandard包装标准packedcapillarycolumn真充毛细管柱packedcolumn填充柱packed-typesolenoidvalve填料函型电磁阀packet包packetmode包方式packetsequencing包排序packetswitching包交
2、换packing包装packingboxassembly填料函组件packingmachine(liquidchromatographiccolumn)(液相色谱柱)装填机packlesssolenoidvalve无填料函型电磁阀pageaddressing页面寻址pageprinter页式打印机page-at-a-timeprinter一次一页印刷机；页式印刷机panel盘；屏，画面panelmounting(pressure)gauge盘装压力表panoramicexposure周向照射；全景照射pantograph缩放仪paperbasedstraingauge纸基应变计paperchr
3、omatography纸色谱法papertape纸带papertapepunch纸带空孔机papertapereader纸带阅读机papertapeunit纸带单元parachutedrogue漂流伞parallax视差parallelcomputer并行计算机parallelcratecontroller并行机箱控制器parallelhighway并行信息公路paralleloperation并行操作；并联工作paralleloutputsystem并行输出制parallelplatemicrometer平板测微器parallelprocessing并行处理parallelprogrammi
4、ng并行程序设计paralleltransmission并行传输paramagneticoxygenanalyzer顺磁式氧分析器parameter参数parametricinput参量输入parasiticecho干扰反射波parasiticvoltageofvoltagedivider分压箱寄生电压parasolradiometer伞式辐射计parent-moleculeion母分子离子paritycheck奇偶校验partialfailure部分失效partialimmersionthermometer局浸温度计partialpressuregauge(PPG),分压强计partialr
5、adiationthermometer部分辐射温度计partitionchromatography分配色谱法partitioncoefficient分配系数partitionisothem分配等温线part-turnelectricactuator角行程电动执行机构Pascal帕(斯卡)pass-linedeflection跑偏passingunregisteredgas(PUG)漏记气体passiveremotesensing被动遥感passivetransducersensor无源传感器path通路pathframe通路帧pathprotocol通路协议pathunit通路单元patter
6、n探伤图形patterncoefficient图型系数patternrecognition模式识别peak峰peakarea峰面积peakbase峰底peakdetector峰值检波器peakdistortion谱峰畸变peakenergy峰能量peakheight峰高peakidentification谱峰鉴别peakmatching峰匹配peakofnoise噪声高度peakoverlap谱峰重叠peakpoint峰顶(点)peakseparation峰距peakshapefactor峰形系数peaksoundpressure峰值声压peakstripping谱峰剥离peaktempera
7、ture峰温度peaktime峰值时间peak-to-peakvalue峰峰值peak-to-peakvalueofdisplacement峰-峰值位移peak(top)flatness峰顶平直度peaktransmittance峰值透过率peakvalue峰值peakvalueofhumidity湿度峰值peakvalueoftemperature温度峰值peakvoltmeter峰值电压表peakwavelength峰值波长peakwidth峰宽peakwidthathalfheight半高峰宽Peltiercoefficient珀尔帖系数Peltierheat珀尔帖热pen墨水笔penr
8、ecorder笔式记录仪penrisingmechanism抬笔机构pendulumimpacttestingmachine摆锤式冲击试验机pendulummeter摆仪pendulumstrikingedge摆锤冲击刀刃penetrameter透度计；像质计penetrantinspectionunit渗透液清洗剂penetranttestingmethod渗透探伤法penetrants渗透液Penninggauge冷阴极电离规；潘宁规percentageoftheoreticalslope(PTS)百分理论斜率performance性能performancecharacteristics性
9、能特性performanceevaluation性能指标periodicandrandomdeviations(PARD)周期和随机偏差periodicdamping周期阻尼；欠阻尼periodictest定期试验periodicvibration周期振动periodicwavesmarker周期波时标peripheralcontrolunit外围设备控制器peripheralequipment外围设备peripheralflow-rate周缘流量peripheralinterfaceadapter(PIA)外围接口适配器peripheraltransfer外围传送peristalticmul
10、ti-channelpump多通道蠕动泵permanentflow-rate常设流量permanent-magnet-coilinstrument永磁动圈式磁电系仪表permanentmagneticlens永磁透镜permanent-magnetmovingcoilgalvanometer永磁动圈式磁电系检流计振动子permeability渗透率permeabilitytube渗透管permeameter磁导计permissiblecumulativedischargeofstandardcell标准电池允许累计放电量permissibledischargeofstandardcell标准电
11、池允许放电量persistentwaveNMRspectroscope边疆波核磁共振波谱仪personalerror人为误差petroleumoildetectionbuoysystem石油探测浮标系统pHelectrodeassemblypH复合电极pHmeterpH计pHtransducersensorpH传感器pHvaluepH值phase相phaseanalysis相位分析phaseangle相角phaseanglestabilization相角稳定phasecontrast位相衬度phasecontrolledcircuitbreaker断电相位控制器phasedatummark相位
12、基准标记phasedetection相位检测phasedetector鉴相器phasedifference相位差phasedifferencetorquetransducer相位差式转矩传感器phasedisplacement相位差；角误差plasedistancemeter相位式测距仪phaseindicator相位指示器phaselage相位滞后phaselead相位超前phaselocus相轨迹phasemargin相位裕度phasemeasurement相位的测量phasemeter相位表phasemodulation(PM)相位调制；调相phaseofunbalance不平衡相位ph
13、aseplane相平面phaseplaneportrait相平面图phaseratio相比率phasereferencegenerator参考相位发生器phaseresponse相位响应phasesensitivedetector相敏检波器phasesequenceindicator相序指示器phasespace相空间phasetrajectory相轨迹phasetransition相变phasevariable相变量phase-continuousFSK相位连续FSKphase-crossoverfrequency相位交越频率phase-frequencycharacteristics相频特
14、性phase-shiftultrasonicflowmeter相移式超声流量计phon方(响度级的单位)phosphorescence磷光photoconductiontube光导管photoelectronspectroscopy(PES)光电子能谱法photo-electricalcodedcompass光电码罗盘photo-electrostaticdisplayrecorder感光静电显示记录仪photoionization光电离photoresistor光敏电阻器photo-sensitiverecorder感光显示记录仪photosensor光敏元件photo-theodoliti
15、摄影经纬仪photoacousticspectrometry光声光谱法photoconductivetransducersensor光导式传感器photoelectriccolorimeter光电比色法photoelectriccomparator光电比较仪photoelectriceffect光电效应photoelectricfluxmeter光电磁通表photoelectriclengthmeter光电式长度计photoelectricpositiondetector光电式位置检测器photoelectricrollgapmeasuringinstrument光电式辊缝测量仪photoelectrictachometer光电式转速表photoelectrictachometrictransducer光电式转速传感器photoelectricthermometer光电温度计photoelectrictransmissometer光电透射仪photoelectricwidthmetergauge光电式宽度计photoelectromagneticelement光电磁敏元件photoionizationdetector(PID)光离子化检测器photometer光度计photometriclinearity光度测量线性photomultip
