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The total mileage of China's high speed rail is expected to reach 30,000 kilometers by 2020, covering more than 80% of major cities, according to a development plan for railway construction released by the National Development and Reform Commission. 根据国家发改委近日发布的一项铁路建设发展规划，到2020年，我国高铁总里程预计将达3万公里，覆盖80%以上的大城市。 China will have 150,000 kilometers of rail tracks in operation in 2020, 60% of which are double-track railways and 70% electrified lines, according to the plan. 规划提出，2020年全国铁路营业里程将达到15万公里，复线率和电气化率分别达到60%和70%。 | 
