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5、s Analysis andModelof NetworkScaleof UrbanRailTransitZHUYuqinCHENYihuaWUHongbing(Chonqing University, Chonqing 400044, China)Abstract:A model of urban rail transit network scalewas discussed based on qualitative analysis and quantitativeanalysis. The hierarchy figure of factors, which affected urban
6、 railway transit network scale, was established by thestructure model method in system engineering. The shortcomings of existing models were analyzed. Some independentfactors of the figure were selected to construct a multi-factor model by stepwise linear regression. Compared with theexisting models
7、, this model can reflect almost every factors influence on the rapid rail transit network scale. At last,with Chongqing as an example, it is appropriate for Chongqing to have an urban rail transit network scale of 348j385km by the year 2020.Key words:urban rail transit; hierarchy figure; network sca
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