Research methods: the economical and feasible signaling scheme should accord with the correlation standards and the extension of track's effective length design for complex station yard.
研究方法：依据相关规范制定出与既有复杂车站延长股道有效长相配套的经济、可行的信号技术条件。
Research methods: the economical and feasible signaling scheme should accord with the correlation standards and the extension of track's effective length design for complex station yard.
研究方法：依据相关规范制定出与既有复杂车站延长股道有效长相配套的经济、可行的信号技术条件。
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