The study on regional P-R-E-D system takes the coordinated growth of population, resources, environment and development梩he four subsystems of its? as its objective.
区域PRED系统将区域人口、资源、环境和发展四个子系统的协调发展定为目标。
参考来源 - 基于区域PRED系统的可持续度模型研究——以民丰县为例·2,447,543篇论文数据，部分数据来源于NoteExpress
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