Physx
Physics Processing Unit
物理处理单元
PI
Point of Intersection
交叉点
PIC
Polyethylene Insulated Conductors
聚乙烯绝缘导体
PIC
Pressure Indicating Controller
压力指示控制器
PID
Proportion Integration Differentiation
比例积分微分
PID
photoionization detector
光电离检测器
PIR
Precision Infrared Radiometer
精密红外辐射计
PIR
Passive Infrared Radiation
被动红外辐射
PLOT
porus–layer open tubular column
多孔层开放式管柱
PME
Photomagneto Electric Effect
磁电效应
PMVA
Passive Matrix Vertical Aligned
被动矩阵垂直排列（模式）
PNI
Public Network Interface
公共网络接口
PNL
Perceived Noise Level
可闻噪声级,可闻噪声电平
POS
Pressure Operated Switch
气动继电器，气动开关，压力控制开关
PPB
part per billion
十亿分之一
PPC
Paper Partition Chromatography
纸分区色谱
PPM
Periodic Permanent Magnet
周期性永磁体
PPPEE
Pulsed Pinch Plasma Electromagnetic Engine
脉冲捏等离子电磁引擎
PPPI
Precision Plan Position Indicator
精密计划位置指示器
PPR
Package Power Reactor
成套动力堆
PPR
Projection Pursuit Regression
投影寻踪回归
PPT
Probabilistic Potential Theory
概率位势理论
PQ
Permeability Quotient
磁导率
PR
Permanent Polarization
永久极化
PRBS
Pseudo Random Bit Sequence
伪随机位序列
PRK
Photo Refractire Keratectomy
准分子激光角膜切削术