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全球能源安全的格局演变与地缘博弈
苏俊(), 王永洵, 王强()
Pattern evolution of global energy security and the geopolitical game
SU Jun(), WANG Yong-xun, WANG Qiang()

图9. 不同发展阶段国家能源安全演变过程示意图

Fig. 9. The evolution of energy security index and its three sub-indexes at different development stages