ISDN例句
ISDN connectivity allows computers to communicate over a network.
综合业务数字网连接实现了计算机网络通讯。
At the telephone company end,
ISDN lines connect to a digital switch.
在电话局一端,
ISDN线连到数字交换机.
Like
ISDN, ADSL will use normal qualified copper phone lines.
和
ISDN一样, ADSL使用普通合格的铜电话线.