网络与数据通信 有线网络 释文 phase-shift keying, PSK 相移键控
- metal cutting machine tools safety
- metal cutting principle
- metal-deficient star
- metaldehyde
- metal deposition
- metal detector of conveyor
- metal dust explosion
- meta learning
- metal electrode
- metal-enhanced fluorescence
- metal enrichment
- metal extinguishing agent
- metal-fiber
- metal fiber sound absorbing materials
- metal fire
- metal flakes or fragments
- metal-foil
- metal foils
- metal for doors and windows
- metal freezing point balckbody
- metal fuels
- metal gan
- metal gear
- metalgorithm
- metal halide cluster