提出用智能网技术实现铁路专用通信业务的设想，重点分析了可行性。
The idea to use the intelligent network technology to realize railway special communication services was brought up and the feasibility was analyzed.
提出用智能网技术实现铁路专用通信业务的设想，重点分析了可行性。
The idea to use the intelligent network technology to realize railway special communication services was brought up and the feasibility was analyzed.
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