“一带一路”国家粮食贸易网络空间格局及其演化机制
陈艺文1,李二玲1,2,*(
)
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Spatial pattern and evolution of cereal trade networks among the Belt and Road countries
CHEN Yiwen1,LI Erling1,2,*()
)
图4. “一带一路”国家粮食贸易网络凝聚子群示意图
注：本图基于自然资源部标准地图服务网站下载的审图号为GS(2016)1665号的标准地图制作,底图无修改。
Fig.4. National cereal trade network subclusters of the Belt and Road region
