The application mode of Urban Comprehensive Function GIS will serve the office automation, scientific research and socialization of services.
城市综合功能GIS的应用模式为:办公自动化、科研和社会化服务。
This paper describes the origin, definition and function of fallback mode of moving block system for urban rail transit.
介绍城市轨道交通中,移动闭塞系统的后备模式的由来、定义及其功能。
This paper describes the origin, definition and function of fallback mode of moving block system for urban rail transit.
介绍城市轨道交通中,移动闭塞系统的后备模式的由来、定义及其功能。
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