基于新闻大数据的北极地区地缘关系研究 |
李萌, 袁文, 袁武, 牛方曲, 李汉青, 胡段牧 |
Big data analysis on geographical relationship of the Arctic based on news reports |
LI Meng, YUAN Wen, YUAN Wu, NIU Fangqu, LI Hanqin, HU Duanmu |
图4 2013—2019年北极地区“航运交通”国家(地区)交互网络时序变化 |
Fig. 4 Changes of national interaction network of channel traffic in the Arctic from 2013 to 2019 |