As an important part of TDCS, Wireless train number calibration system has been played a more important role.

无线车次号校核系统作为行车调度指挥系统的重要组成部分，其作用越来越显著。

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As an important part of TDCS, Wireless train number calibration system has been played a more important role.

无线车次号校核系统作为行车调度指挥系统的重要组成部分，其作用越来越显著。

youdao