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区域 PRED系统是个非线性的复杂巨系统。在已建立的人口、环境与可持续发展数据库基础上 ,应用耗散结构理论建立区域 PRED系统的非线性数学模型 ,提出衡量区域 PRED系统可持续发展水平的指数 ( SDI)的概念和计算方法 ,定量地表达了中国各省区的可持续发展状况 ,进而应用地图学和地理信息系统方法研究其空间分布特征 ,分析造成这种格局的原因并提出相应对策。
Regional PRED system is a non-linear complex giant system. Based on the established database of population, environment and sustainable development, the nonlinear mathematical model of regional PRED system is established based on dissipative structure theory. The concept and calculation method of index (SDI) for measuring the sustainable development level of regional PRED system are proposed. Quantitatively expressed the sustainable development of all provinces and autonomous regions in China, and then applied the method of cartography and geographic information system to study the spatial distribution characteristics of the causes of this pattern and put forward corresponding countermeasures.