BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 China 27 39.1%
2 United States 23 33.3%
3 Germany 12 17.4%
4 Senegal 3 4.3%
5 United Kingdom 1 1.4%
6 Australia 1 1.4%
7 Republic of Korea 1 1.4%
8 France 1 1.4%