Currently, revitalizing the commerce railway system has been included in the program of 'urban rebirth' as a keystone.

目前，重振铁路商业已列入“都市再生”计划，并作为一个重点。

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This paper introduces the test and speed regulating control for the traction experimental system of urban railway vehicle.

介绍了城市轨道车辆牵引试验系统的测试与调速控制。

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The hierarchy figure of factors, which affected urban railway transit network scale, was established by the structure model method in system engineering.

运用结构化模型方法，建立了影响城市轨道交通线网规模因素的多级递阶结构图。

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