求翻译：通过综合考虑尽可能降低居民驾车出行成本、提高出行服务水平、绿色低碳节能环保出行，以及对相关参数及三个约束限定条件重点分析 关于历史街区路外停车设施规划选址，本研究提出了路外停车设施规划选址模型 以广义距离之和最短、广义费用之和最低、总泊位供应量最大为目标函数，是什么意思？

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By taking into account as much as possible reduce residents traveling by car costs, and improve travel service level, green low-carbon energy-saving and environmental travel, as well as the parameters and 3 of constraint qualification focused analysis on Historic District, Road parking facilities pl

Reduces the inhabitant through the overall evaluation to drive as far as possible the journey cost, the enhancement journey service level, the green low-carbon energy conservation environmental protection journey, as well as stops the facility to the correlation parameter and three restraint definit

Through integrated considered as reduced residents driving travel cost, and improve travel service level, and green low carbon energy environmental travel, and on related parameter and the three a constraint qualified conditions focus analysis on history blocks road outside parking facilities planni

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