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有三个时间,它们是城市轨道交通发展的里程碑,值得我们铭记在心:第一个是1843年,查尔斯·皮尔逊律师向英国议会提出建设“大都市铁道”的建议;第二个是1863年,世界第一条地铁线在伦敦开通;第三个是1965年,中国第一条地铁线在北京开建,由此北京开始了“地铁上城市”的发展。回顾历史,地铁从不可实现的设想到今天世界最高效的城市交通工具,一百多年来它的发展史无时无刻不伴随着科学技术的推陈出新。正如地铁列车由蒸汽机车发展到电力机车;又如地铁信号系统从模拟信号系统到数字化信号系统;地铁中的视频监控
For three periods, they are milestones in the development of urban rail transit, and it is worth bearing in mind that the first was the proposal by Charles Pearson to the British Parliament in 1843 to build a “metropolitan railway”; the second was 1863 In the year, the world’s first subway line was opened in London. The third was that in 1965, China’s first subway line was opened in Beijing, thus Beijing started its development of “Metro on the Subway.” Recalling the history, from the unrealistic assumption of the subway to the most efficient urban transport in the world today, its development history has been accompanied by the innovation of science and technology for more than 100 years. Just as the subway train developed from steam locomotive to electric locomotive; another example is the subway signal system from the analog signal system to the digital signal system; the video monitoring in the subway