战略性关键金属贸易网络特征及其对产业结构升级的影响
朱学红, 彭婷, 谌金宇

Impact of strategic and critical metals trade network characteristics on the upgrading of industrial structures
ZHU Xuehong, PENG Ting, CHEN Jinyu
表1 1996—2017年全球战略性关键金属贸易网络节点数和边数
Table 1 The number of nodes and edges of the global strategic and critical metals trade network, 1996-2017
年份 1996 2001 2006 2011 2017
节点数/个 105 130 152 155 171
边数/条 509 761 857 982 1069