【摘 要】
：
Geographical circumstances are the fundamental background for all kinds of geopolitical events. The geopolitical environment system(GES) refers to a system that combines both physical and anthropogeni
【出 处】
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Journal of Geographical Sciences
论文部分内容阅读
Geographical circumstances are the fundamental background for all kinds of geopolitical events. The geopolitical environment system(GES) refers to a system that combines both physical and anthropogenic subsystems. Research on the geopolitical environme
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