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标准的空间经济结构应该是多层级的中心-外围结构。作者在一个要素集聚与产业地理互动的解释模型下,分析了要素集聚影响城市层级体系的产业机理,认为要素集聚是资源空间配置的基本模式,也是城镇化的基本内容;市场潜力和异质要素的自我选择引致产业的时空变动,促进城市层级体系的形成;城市层级体系一般由单中心模式向多中心模式演化;特定城市通过产业升级可巩固和提升城市层级。
The standard spatial economic structure should be a multi-level center-periphery structure. Based on an explanatory model of the interaction between factor aggregation and industrial geography, the author analyzes the industrial mechanism of factor aggregation affecting the urban hierarchy system, and considers that factor aggregation is the basic model of resource allocation and the basic content of urbanization. The market potential and heterogeneous factors The self-selection of industries leads to the temporal and spatial changes of industries and promotes the formation of a system of city hierarchies. The system of city hierarchies evolves from a single-center model to a multi-center model. Certain cities can consolidate and enhance the urban hierarchy through industrial upgrading.