全球稀有矿产品贸易格局演化及我国供应安全研究 |
朱文兴,胡恒祺,徐水太 |
Evolution of Global Rare Minerals Trade Pattern and China’s Supply Security Research |
Wenxing ZHU,Hengqi HU,Shuitai XU |
图3 2002—2020年全球稀有矿产品贸易网络组团空间格局演化 |
Fig.3 Evolution of the spatial pattern of the global rare mineral trade network group from 2002 to 2020 |