By dissertating the effect of mass transit to the sustainable development、low-cost handling and economic development of Beijing, the author introduces the geographic distribution and the diversiform configuration of urban mass transit. argues the Beijing
By dissertating the effect of mass transit to the sustainable development、low-cost handling and economic development of Beijing, the author introduces the geographic distribution and the diversiform configuration of urban mass transit. argues the Beijing
摘要论述了轨道交通对北京可持续发展、提供低运营成本和发展经济的重要作用，介绍了多样化、立体化轨道交通的地域分布和构架，同时提出了北京在建设轨道交通过程中的问题及其对策。