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
- engineering geological exploration
- engineering geological field test
- engineering geological geophysical exploration
- engineering geological hazards of oil and gas stations
- engineering geological investigation
- engineering geological investigation for levee
- engineering geological investigation in reservoir area
- engineering geological investigation of dam site
- engineering geological investigation of spillway
- engineering geological investigation of underground excavation
- engineering geological map
- engineering geological mapping
- engineering geological mapping area
- engineering geological mapping scale
- engineering geological mapping types
- engineering geological model
- engineering geological numerical simulation
- engineering geological of underground oil storage in rock caverns
- engineering geological plan map
- engineering geological primitive data map
- engineering geological problems of dam (sluice) foundation
- engineering geological problems of reservoirs
- engineering geological profile map
- engineering geological remote sensing survey
- engineering geological simulation