现在人们通过电话、电报、无线电、电视及卫星进行远距离交流。
People now communicate over long distances by means of telephone, telegraph, radio, television, and satellite.
今天，世界上大约有一半的长途电话，电报及电视通讯都是由卫星转播的。
Today about half the world's long-distance telephone, telegraph, and television traffic is relayed by satellite.
今天，世界上大约有一半的长途电话，电报及电视通讯都是由卫星转播的。
Today about half the world's long-distance telephone, telegraph, and television traffic is relayed by satellite.
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