其基本功能是转换道岔，锁闭道岔和反映道岔位置和状态。
Its basic function is to convert turnout, turnout and reflect the turnout locked position and status.
我院设计的外锁闭道岔系统荣获全国第四届优秀工程标准设计金奖。
External-locked switch system designed by our institute won the standard design gold medal of the Fourth National Excellent Projects.
提出临界速度分析法和分路道岔预锁闭的概念，并建立了数学模型。
It puts forward a model and the concepts of critical speed analytical method and the advance locking, finding an advanced method in order to prevent the back side conflict in continuous humping.
提出临界速度分析法和分路道岔预锁闭的概念，并建立了数学模型。
It puts forward a model and the concepts of critical speed analytical method and the advance locking, finding an advanced method in order to prevent the back side conflict in continuous humping.
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