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词汇
FDM
释义
FDM
分频多工，分频转换（=frequency-division multiplexing）
一种通信方式，将单一传输设施分成若干个传输通道。采用的方法是将有限宽度的传输频带分割成若干较窄的频带，每个窄频带构成一个个不同的通道。
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更新时间：2026/1/30 4:43:43