CBTC is adopted for signal system of Xi 'an Subway Line 2, which is a complete and movable block train control system based on wireless communication technology.
西安地铁2号线信号系统采用完整的、基于无线通信技术的、移动闭塞制式的CBTC列车自动控制系统。
Hereinto, DSU is shorted for database storage unit. It is one subsystem of communication based train control (CBTC) system.
其中，DSU是数据库存储单元的简称，它是CBTC系统所包含的诸多子系统之一。
Hereinto, DSU is shorted for database storage unit. It is one subsystem of communication based train control (CBTC) system.
其中，DSU是数据库存储单元的简称，它是CBTC系统所包含的诸多子系统之一。
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