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常用的传输介质分为哪两大类

更新时间: 2020-07-12 00:00:00     

常用的传输介质分为两种:

有线传输介质:包括双绞线电信号、同轴光缆电信号、光纤光信号;无线传输介质:电磁波,包括无线电波、微波、红外线、激光。

关键词: 常用 传输 介质 分为

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