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“美丽中国”是由经济发展、社会文化及生态环境3个系统耦合组成的人—地关系复杂系统。选取3个子系统层、30个指标层共同构建“美丽中国”建设评价的耦合协调模型。系统的耦合协调度是“美丽中国”建设阶段的划分依据。江西省各设区市的实证研究表明:从耦合度来看,江西省各设区市的耦合度大部分处于拮抗阶段;从协调度来看,南昌市处于“美丽中国”建设较高水平阶段,赣州和九江2个设区市处于中等水平阶段,其他8个设区市处于低水平阶段;不同的阶段所采取的发展战略均有所不同。
“Beautiful China ” is a complex system of people-land relations consisting of three systems of economic development, social culture and ecological environment. Three subsystem layers and 30 index layers are selected to construct a coupled coordination model of “Beautiful China” construction evaluation. The degree of coupling of the system is the basis for the division of the “Beautiful China” in the construction phase. The empirical study of each district and municipality in Jiangxi Province shows that: from the perspective of coupling degree, most of the coupling degree in each district and municipality in Jiangxi Province is in an antagonistic phase; from the perspective of coordination, Nanchang is at a relatively high level in “Beautiful China” In the horizontal phase, the two municipalities with districts in Ganzhou and Jiujiang are in the mid-level stage and the other eight districts with districts are in a low-level stage. The development strategies adopted in different stages are different.