网络与数据通信 有线网络 释文 token passing 令牌传递
- pulse echo method
- pulse-echo method
- pulse electrochemical machining
- pulse energy
- pulse excitation
- pulse excitaton
- pulse extraction column
- pulse fiber laser
- pulse flame photometric detector
- pulse flame photometric detector (PFPD)
- pulse flip angle
- pulse fogger
- pulse frequency
- pulse frequency meter
- pulse front tilt
- pulse function
- pulse generation mechanism
- pulse generator
- pulse increment interpolation
- pulse input method
- pulse intensity
- pulse interval
- pulse inversion
- pulse ion extraction
- pulse ion extraction (PIE)