世界能源贸易网络的演化特征与能源竞合关系
何则1,2,3,4,杨宇1,2,3,*(
),刘毅1,2,3,金凤君1,2
),刘毅1,2,3,金凤君1,2
Characteristics of evolution of global energy trading network and relationships between major countries
HE Ze1,2,3,4,YANG Yu1,2,3,*(),LIU Yi1,2,3,JIN Fengjun1,2
),LIU Yi1,2,3,JIN Fengjun1,2
图4. 全球能源贸易网络的接近中心性和中介中心性演变
Fig.4. Closeness and betweenness of global energy trading network and its evolution
