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39 分钟
新春走基层丨“电波卫士”护航旅客平安回家路
新华网贵阳1月27日电 在“八纵八横”高速铁路主通道之一的沪昆高铁贵州段,这里桥桥相连、隧隧相通,在崇山峻岭间演绎了“桥连隧、隧连桥”。铁路通信是列车的“耳朵”,传输列车运行的命令。如何实现高铁通、通信通,保证高铁上的移动信号全覆盖?基站就起到了至关重要的作用。
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