BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 62 43.1%
2 France 22 15.3%
3 Netherlands 21 14.6%
4 United States 16 11.1%
5 Russia 10 6.9%
6 Germany 10 6.9%
7 Czech Republic 2 1.4%
8 United Arab Emirates 1 0.7%