网络与数据通信 有线网络 释文 pulse code modulation, PCM 脉冲编码调制 网络与数据通信 有线网络 释文 pulse code modulation, PCM 脉冲编码调制
- annual variation
- annual variation of polar motion
- annual weed
- annuitization puzzle
- annuity
- annular
- annular acoustic logging
- annular aperture
- annular blowout preventer
- annular coil
- annular domain
- annular eclipse
- annular flow
- annular furnace
- annular gap
- annular gas channeling
- annularity
- annular junction
- annular nebula
- annular pancreas
- annular phase
- annular region
- annular solar eclipse
- annular surface
- annular-total eclipse