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双绞线传输介质是把两根导线绞在一起,这样可以减少 。

单选题
2021-09-06 21:35
A、信号传输时的衰减
B、外界信号的干扰
C、信号向外泄露
D、信号之间的相互串扰
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正确答案
D

试题解析

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