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近几年来,中国铁路虽采取有力措施,不断提高火车的运行速度,但与世界先进水平仍有差距。在亚洲,日本是高速铁路最多的国家,它先后开通东海道、山阳、上越、东北等4条高速铁路,通车里程已达2000千米。韩国早巳决定兴建汉城至釜山的高速铁路,建设工作正在紧张进行之中。中国是亚洲的大国,高速铁路尚属空白,理应迅速改变这种落后状况。中国发展高速铁路势在必行。铁路客运实现高速化,是社会发展的必然趋势。目前京沪线是我国铁路负荷强度最大的线路,其平均客、货运输密度分别是全国铁路平均水平的5.5倍和3.7倍。我国铁路运输
In recent years, although China Railway has taken effective measures to continuously improve the running speed of trains, it still lags behind the world advanced level. In Asia, Japan is the country with the most high-speed railways. Japan has opened four high-speed railways such as the Tokaido, Sanyo, Shang-Yue and Northeastern China. The mileage has reached 2,000 km. South Korea has already decided to build a high-speed railway from Seoul to Busan. Construction work is under way. As China is a big power in Asia, the high-speed railway is still blank and this rapid backwardness should be rapidly changed. China’s development of high-speed railway is imperative. High speed railway passenger transport is an inevitable trend of social development. At present, the Beijing-Shanghai line is the railway with the largest load intensity in China. The average passenger and cargo transport densities are 5.5 and 3.7 times the national railway average respectively. China’s railway transport