Because the elevated line has the advantages of low cost and small power consumption,it has a increasing proportion of urban rail transit,especially in the connecting line between the urban centers and the rural areas.
由于高架线路具有造价低,运营能耗小等优点,在城市轨道交通中所占的比重越来越大,尤其是城市中心区与郊区线路的连接线,多采用高架线。
参考来源 - 基于IDA分析的城市轨道交通桥梁结构抗震性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
为了防止人畜触电，高压线一般采用高架线传送。
High voltage current is usually carried by overhead wire system so as to prevent living things being electrocuted.
为防止人畜触电，高压电一般采用高架线传送。
To avoid the dangers of people or animals, High-Voltage usually adopts high-line transmission.
城市轨道交通既有高架线路作为城市交通的重要组成部分，其运营的安全性极为重要。
As elevated urban rail transit line is a component of urban traffic, the safety of its operations is extremely important.
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