Part IV: This part analyzed the circular mechanism of the ecological tourism urban.

第四部分分析了生态旅游城市的循环机制。

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IV the local intelligent transportation system is an important branch of the intelligent transportation systems (ITS), which providing a new solution to the urban transportation.

区域智能运输系统是智能运输系统的重要分支，为解决城市及其周边特定区域的交通问题提供了新的解决方案。

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Chapter IV Influencing factors and macroeconomic effects of the structure of urban residents 'financial assets.

第四章城镇居民金融资产结构的影响因素及宏观经济效应。

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