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
- police sports
- Police Story
- Police Story series
- police sub-stations and police booths
- police-tax department cooperation
- police technology
- police testifies in the courtroom
- police training
- police training programme
- police uniform
- police vehicles
- police vessels
- police vocational values
- police warning
- police weapon equipments
- policies for disaster risk reduction of agriculture
- policies for the development of agricultural science and technology
- policies of agricultural pollution treatment
- policies of returning marginal farmlands to forests
- policies of utilization,restriction and reform
- policies on agricultural land property rights
- policing command platform
- policing intelligence analyst
- policing intelligence dissemination
- policing intelligence education