BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 62 43.4%
2 United States 37 25.9%
3 Germany 17 11.9%
4 Netherlands 8 5.6%
5 France 7 4.9%
6 Russia 3 2.1%
7 Senegal 3 2.1%
8 Taiwan 2 1.4%
9 United Kingdom 1 0.7%
10 Czech Republic 1 0.7%
11 Australia 1 0.7%
12 Canada 1 0.7%