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由于铁路与人口分布、地理环境和财力资源状况紧密相关,人们对于要使列车高速运行就必须修建新的铁路支线的这一传统的占统治地位的做法提出了不同的看法。寻求列车以200km/h以上速度运行的权威人士,大多致力于线路与列车的同时改进,希望用这种经济实惠的方法来实现他们的商业目的。这就意味着:许多国家的铁路运输虽然达不到在法国、联邦德国和日本所取得的高速度,但是在这些国家里,铁路运输却可以迎接公路运输和航空运输的挑战。瑞典人选定的是一种综合的解决方法,他们用相对节俭的开支,对于既有线路和信号装置同时进行现
Because of the close link between the railways and the population, the geographical environment and the state of financial resources, different views have been put forward on the traditional dominance of the railroad that necessitates the construction of new railroad extensions at high speeds. Authorities who seek to operate trains at speeds above 200km / h are mostly devoted to the simultaneous improvement of routes and trains in the hope of achieving their commercial goals in an economical way. This means that although rail transport in many countries does not reach the high speeds achieved in France, the Federal Republic of Germany and Japan, rail transport can meet the challenges of road transport and air transport in these countries. The Swedes have chosen a comprehensive solution, using comparatively frugal expenses, both for existing lines and signaling devices