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

P-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