With the universal development of digital information technology, the information services are integrated to digital, network and comprehensive services.
随着数字信息技术的普及，信息服务开始向数字化、网络化和综合化转型。
The lone exception has been ISDN (Integrated Services Digital Network) that has won over some residential customers.
孤立例外是赢取了在一些住宅顾客的ISDN （综合业务数字网络）。
This paper describes an all optical-switching technology, an important and key technology in the fiber communication broadband integrated services digital network (B-ISDN).
这是未来光纤宽带综合 服务网中重要且基本的技术。
This paper describes an all optical-switching technology, an important and key technology in the fiber communication broadband integrated services digital network (B-ISDN).
这是未来光纤宽带综合 服务网中重要且基本的技术。
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