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主要针对当前中国铁路无线通信系统现状及存在的问题,阐述了引入GSM-R系统的关键技术、应用业务和发展前景,并阐明了其所带来的经济、社会效益。
The current status and existing problems of China’s railway wireless communication system are mainly described. The key technologies, application services and development prospects of GSM-R system are introduced, and the economic and social benefits brought by it are clarified.