综合数据网络 integrated data network ; IDN
综合业务数据网 ISDN ; Integrated Services Digital Network ; ISDN-Integated Service Data Network ; comprehensive business data networks
窄带综合业务数据网 NONarrowBand-ISDN ; N-ISDN Narrow Band-ISDN ; ISDN ; NO Narrow Band-ISDN
综合数据中央网 IDCN
综合通信数据网络 integrated communication data network ; ICDN
综合数据交换网 integrated switched digital network
综合业务数据网络 ISDN ; Integrated Services Digital Network
综合战术数据网 ITDN
综合服务数据网 ISDN
防卫综合数据通信网 IDDN
介绍了中国铁路数据通信网现状，以及建设铁路综合数据网的必要性。
The current situation of Chinese railway data communication network was introduced, and the necessity to construct railway integrated data network was given.
综合业务数字网(ISDN)是综合数字网的延伸，它打破了传统电话网和数据网之间的界限，扩展了网络业务的使用类型和范围。
As extension of IDN network, ISDN has broken the ambit between the traditional telephone network and data network, expanded the application types and scope of network operation.
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