使用数字信号传输的基带 LAN,采用曼彻斯特编码 ,媒体的整个频谱用于构成信号 ,因此。
C
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Whycouldn’tyou________ananswerwhenIaskedyouwhyyouwerelate?
Asactivitycarried________asonethinksfitinone’ssparetime,leisurehasseveralfunctions.
Welodge(声明)aclaim_______you_____theshort--weight.()
______alittleearlier,Iwouldhavecaughtthetrain.