长途自动交换机 meaning in English
automatic toll exchange
Examples
- The municipality has an advanced modern communications system , with an optic - fiber transmission network of 3 , 000 kilometers of large capacity and high efficiency , a long - distance automatic exchange capacity of 20 , 000 terminals , electric lines of 30 , 000 and a basic multimedia and high - speed broad - band communications network
现代通信发达，构建了大容量、高效率、长达3000多公里的光纤传输网，长途自动交换机容量达2万路端，电路3万多条，基本建立了多媒体、高宽带的通信网络。