全球粮食贸易网络演变及其驱动因素解析

管靖, 宋周莺, 刘卫东

Change of the global grain trade network and its driving factors

GUAN Jing, SONG Zhouying, LIU Weidong

图4 1988—2018年全球粮食贸易流

Fig.4 Global grain trade flows during 1988-2018