理学 多媒体编码 释 pulse code modulation 脉冲编码调制 实现模拟信号数字化传输的编解码系统，是现代语音通信中数字化的重要编码方式。
网络与数据通信 有线网络 释文 pulse code modulation, PCM 脉冲编码调制
- glass-lined microcrater
- glass liquid thermometer
- glass-liquid thermometer
- glass lubricating extrusion
- glass matrix composites
- glass melting furnace
- glass mosaic
- glass network former
- glass network intermediate
- glass network modifier
- glass-painting
- glass phase
- glass physical evidence
- glass-plate capacitor
- glass preparation
- glass-prism spectrograph
- glass-prism spectroscope
- glass raw materials
- Glass Refractive Index
- glass scintillator
- glass semiconductor
- glass semiconductor, vitreous semiconductor
- glass slide
- glass smelting
- glass solidification