铁路信号电源系统是专门给列车运营信号供电的，其可靠性要求非常高，因此，对铁路信号电源的监视和控制十分重要。
Railroad signal power system is a special supply power source for train running. The high reliability is required. Thus, its supervisor and control become very important.
结合专门试验论述了货物列车在大坡道上长时间停留时溜逸与防溜的若干技术问题。
Based on special experiments, this paper is devoted to several technical issues of run - away of freight trains during long detention on electrified steep grade and associated countermeasures.
针对地铁列车这个特殊的应用对象，开发了一个专门的数据采集网络系统。
A special data acquisition network system be developed, aiming at the special application object of subway train.
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