Depend on this foundation, author established a simple model of the mechanism of hobo of city and the lowest economy threshold of urbanization.
在此基础上，经过量化处理，建立了城市流动人口与城市化最低经济门槛作用机制的简单模型。
Depend on this foundation, author established a simple model of the mechanism of hobo of city and the lowest economy threshold of urbanization.
在此基础上，经过量化处理，建立了城市流动人口与城市化最低经济门槛作用机制的简单模型。
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