题目内容

设结点N=20,间距d=15km,传播时延t=10us/km,结点识别探询帧所需平均均时间ts=10ms,线路容量C=1200b/s,探询帧长为36b.采用轮叫轮询方式的时，整个系统的巡回时间为多少？

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Match the following words and expressions with the definitions and descriptions

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