It is a project of systems engineering and also a long - term tough task to solve urban traffic issues.
解决城市交通问题是一项系统工程，也是一项长期艰巨的任务。
In case of urban road development process often beneath existing railway overpass project, the rational design of rainwater pump station is the key element of safe operation in crossing engineering.
城市道路拓展过程中常遇有下穿既有铁路线立交桥工程，雨水泵站的合理设计是下穿工程安全运行的关键要素之一。
The correlative production is applied to the project of Beijing Research Center of Urban System Engineering "Example research of Beijing typical disaster evolution and control" (2009.05-2010.09).
本文研究成果被应用于北京城市系统工程研究中心项目“北京市（示范区域）典型灾害演化与控制示例研究”（2009.05-2010.09）。
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