例句 /

Based on an analysis on the present situation and development of three kinds of signal systems (the point system based on interrogator responsor, the quasi-moving block system based on digital track circuit and the moving block system based on wireless da

Based on an analysis on the present situation and development of three kinds of signal systems (the point system based on interrogator responsor, the quasi-moving block system based on digital track circuit and the moving block system based on wireless da

摘要在分析三种城市轨道交通信号系统制式(基于查询-应答器的点式系统、基于数字轨道电路的凖移动闭塞和基于无线数据传输的移动闭塞)的现状和发展基础上,对实现我国城市轨道交通信号系统国产化提出建议。