工学 脉冲编码调制及其应用 释 pulse code modulation; PCM 脉冲编码调制系统 将模拟信号变为数字信号的核电子学系统。 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 网络与数据通信 有线网络 释文 pulse code modulation, PCM 脉冲编码调制
- powder rolling
- powder rolling forming
- powders
- powders for preparation
- powder shapes
- powder sintering
- powder specific surface area
- powder spraying machine
- powder surface modification
- powder tea processing
- powder transportation
- powder warm compactingprocess
- powder X-ray diffractometer
- powder X-ray diffractometry
- powder Xray diffractometry
- powdery fiber
- powdery mildew of broadleaf
- powdery mildew of tobacco
- powdery mildews
- Powell
- Powell, Cecil Frank
- Powell conjugate direction method
- Powell curve diagram
- powellite
- Powell method