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最近二十年来,一些外国的铁路正在研究提高铁路运行速度达到300km/h以上的问题,并研制高速旅客列车的新型结构。请参看下面一些示例。英国:运行于伦敦、伯明翰、曼彻斯特、利物浦、格拉斯克的沿西海岸电气化主干线的地区人口密度大,因而客运量也很大。为了缩短运行时间,以便有条件与汽车运输、航运进行竞争,研制了一种型号为APT的新型电力机车,它的最大速度达250km/h。第一批三列14节车箱的APT-P列车,于1979年在伦敦——格拉斯克线上运行,使用这种机车不需改造线路和信号系统。这条干
In the recent two decades, a number of foreign railways are studying ways to increase the speed of railways to more than 300km / h and develop new structures for high-speed passenger trains. See some examples below. United Kingdom: Passenger traffic is also high in densely populated areas along the western electrified mainline of the West Coast that operate in London, Birmingham, Manchester, Liverpool and Glasgow. In order to shorten the running time and to compete with motor transport and shipping conditionally, a new type of APT electric locomotive has been developed with a maximum speed of 250km / h. The first three 14-car APT-P trains, operating on the London-Glasgow line in 1979, used the locomotive without the need to retrofit the lines and signaling systems. This is dry