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所谓____________信号就是将数字信号1或0直接用两种不同的电压来表示，然后送到线路上传输。
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所谓____________信号就是将数字信号1或0直接用两种不同的电压来表示，然后送到线路上传输。
时间：2021-09-02 15:31
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联大
河南理工大学
计算机科学与技术_计算机网络
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