电话线 的中文句子和英文句子

视传系统一种相互作用的视传系统，通过电视电缆或电话线接收或传播信息

An interactive videotex system in which information can be retrieved or transmitted over television cables or telephone lines.


在租用的电话线路上增加设备以改善数据传输线路的特性。

The addition of equipment to a leased telephone line to improve its data-handling characteristics.