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
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- Supplementary Textbook Series for Each Subject in Primary School
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