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。
From the perspective of systems engineering, Fault Tree analysis method which is widely used in system security study is used for analysis of urban rail transit accident.
从系统工程学的角度出发，将广泛应用于系统安全研究中的事故树分析方法应用到城市轨道交通事故分析中。
Vukan R. Vuchic, Head, Urban Transportation Systems, Professor of Transportation Engineering, and Professor of City and Regional Planning, University of Pennsylvania.
宾西法尼亚大学都市交通系统主任，交通工程学教授，城市及区域规划教授。
Vukan R. Vuchic, Head, Urban Transportation Systems, Professor of Transportation Engineering, and Professor of City and Regional Planning, University of Pennsylvania.
宾西法尼亚大学都市交通系统主任，交通工程学教授，城市及区域规划教授。
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