有些系统，如电话系统，使用由电缆、导线和交换台组成的网络，来进行点对点的通信。

Some systems, like the telephone system, use a network of cables, wires, and switching stations for point-to-point communication.

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有些系统，如电话系统，使用由电缆、导线和交换台组成的网络，来进行点对点的通信。

Some systems, like the telephone system, use a network of cables, wires, and switching stations for point-to-point communication.

youdao