By using the linear planning method and step analysis,an optimal combination of means of transportation for transporting passengers in cities is studied and its result is also discussed.
钱仲威.城市客运交通工具的最佳组合[J].重庆工商大学学报(自然科学版),1997,(1): Qian Zhongwei. An Optimal Combination of Means of Transportation for Transporting Passengers in Cities[J]. Journal of Chongqing Technology and Business University(Natural Science Edition),1997,(1):