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在介绍华盛顿大都市区轨道系统基本运营概况的基础上,对其规划建设历程进行较为详尽的回顾,并对未来的发展规划设想进行展望。
Based on the brief introduction of the basic operation of orbital system in the metropolitan area of Washington, the author makes a detailed review of its planning and construction process and looks forward to the future development planning and assumptions.