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自动闭塞和电力贯通线路为铁路沿线自动闭塞信号及车站负荷等提供电源。
Railway automatic blocking and continuous transmission lines (RABCL) supply power for the railway automatic blocking signal and the loads along the lines, etc.
准移动闭塞信号系统研究的追踪列车间的安全间隔距离与旧的信号系统下相比较短，缩短了列车的追踪间隔时间，有利于提高铁路通过能力。
Compared with the old signal system, the (signal system of) quasi-moving block shortens the safe distance of inter-train tracking interval and improves railway passing capability.
自动闭塞和机车信号的基础是轨道电路。
The foundation of automatic block and cab signal is track circuit.
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