铁路信号（railway signaling） 铁路运输系统中，指示列车运行和调车作业的命令，向行车有关人员指示运行条件；对行车运行方向、运行间隔、运行进路以及运行速度...
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Railway signaling flag 铁路信号旗
Lettered Symbols for Railway Signaling 铁路信号用文字符号
railway signaling system 铁路信号系统
railway signaling equipment 铁路信号设备
railway-signaling regulations 铁路信号规则
railway signaling regulations 铁路信号规则
Technique of railway signaling directly relates to railway transport safety.
铁路信号施工工艺质量直接关系到铁路运输安全。
The testing of railway signaling relays is very important to railway security.
铁路 信号 安全软件测试评估平台的结构。
Radio Block Center (RBC) is the kernel subsystem of the ground system in high-speed railway signaling system.
无线闭塞中心（RBC）是高速铁路信号系统的地面核心子系统。
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