The current situation of Chinese railway data communication network was introduced, and the necessity to construct railway integrated data network was given.
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.
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。
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