Current indices of departure intervals and trawl speeds which both feature the rapidness of metro are not satisfactory and should be noticed while surface communication is speeding up.

 
  • 摘要地铁交通快捷特征的指标-发车间隔和旅行速度并未达到令人满意的程度,在地面交通快速化之后能否保持优势值得关注。
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