OTU
Optical Transform Unit
光学转换单元
OXC
Optical Cross Connect
光学交叉连接
PA
Positron Annihilation
正电子An灭
pbc
point of basal convergence
基础融合点
PCA
Principal Component Analysis
主成分分析
PCD
pitch circle diameter
节圆直径
PCF
Pounds Per Cubic Foot
每立方英尺磅
PCS
Photon Correlation Spectroscopy
光子相关光谱
PCT
Potential Current Transformer
电位电流互感器
PCX
periscope convex
潜望镜凸
PD
Prism Diopter
棱镜照准仪,棱镜屈光度
PD
Potential Difference
电位差,势差
PDE
Partial Differential Equation
偏微分方程
PDF
Probability Distribution Function
概率分布函数
PDF
Probability Density Function
概率密度函数
PDLC
Polymer Dispersed Liquid Crystal
聚合物分散液晶
PDP
Plasma Diagnostic Package
血浆诊断包
PDPC
Process Decision Program Chart
工艺决策程序图
PE
Permissible Error
允许[容许]误差
pes
Positioning Error Signal
定位误差信号