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城市交通出行是以可能的交通方式、在可接受的时间内到达目的地。对城市出行总量的距离分布作二阶爱尔兰分布处理,结合城市交通出行目的时间意愿以及不同等级城市出行目的平均结构比例,计算各种交通方式所适应的加权平均距离,推算无轨道交通方式情况下“可接受”出行量的覆盖域与“不可容忍”出行总量及其比例,以此进行轨道交通建设必要性分析。
Urban transport travel is possible means of transport, arrive at the destination within an acceptable time. The distribution of the total distance to the city for the distribution of second-order Irish distribution, combined with the intent of urban transit time and the purpose of travel in different levels of the average structure of the proportion of the purpose of travel to calculate the weighted average distance of various modes of transport to calculate the non-rail transit mode Under the “acceptable ” travel coverage and “intolerable ” total travel and its proportion, in order to carry out the necessity of rail transit construction.