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日本是个多山的岛国,岸坡陡峻,河流湍急。每到雨季,暴雨成灾,经常出现滑坡、崩塌落石、泥石流等山区铁路常见的自然灾害。每到冬季,大雪封山,干扰行车,阻塞交通。这一切都对日本山区铁路的运输安全构成极大的威胁,日本铁路部门将自然灾害发生后对铁路行车的威胁和影响称为次生灾害(也称二次灾害)。据统计,日本铁路约有1/3以上的行车事故是由于自然灾害造成的。 为了防止自然灾害对铁路行车
Japan is a mountainous island nation with steep banks and swift rivers. Every rainy season, torrential rains, often landslides, landslides, landslides and other mountain railway common natural disasters. Every winter, heavy snow closes the mountain, disrupting traffic and blocking traffic. All of this poses a great threat to the transportation safety of the Japanese mountain railway. The Japanese railway department calls the threat and impact of railway traffic after a natural disaster on secondary disasters (also known as secondary disasters). According to statistics, about a third of the traffic accidents in the Japan Railways are caused by natural disasters. In order to prevent natural disasters on the railway traffic