They set up communication lines that would be hard lines.

他们设置了座机电话线进行通讯。

The unidentified official said North Korea did not answer calls from the South through all inter-Korean communication lines in the morning.

这名不愿透露身份的官员称，上午朝鲜没有通过朝韩所有通信线路接听韩国打来的电话。

The simplest way to connect two distant computers, or networks, is by allocating a communication line for their exclusive use.

连接两台远距离计算机或网络的最简单方法是分配一条通信线路供它们专用。