在城市综合交通系统中,城市道路网是其中最重要的基础设施之一.因此有必要对城市道路网的实时运行状况进行动态的评价,对其功况进行全面诊断,这也是城市综合交通体系在规划、建设及运行管理过程中必不可少的重要依据及基础条件.%In the comprehensive urban transportation system, urban road network is one of the most important infrastructures. So it is necessary to conduct dynamic real-time evaluation for urban road network operation and make the overall diagnosis for it. It also is the important basis and basic conditions for planning, construction and operation management of comprehensive urban transportation system.
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