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 33 34.4%
2 United States 29 30.2%
3 Germany 14 14.6%
4 Ireland 5 5.2%
5 France 5 5.2%
6 Czech Republic 3 3.1%
7 Korea, Republic of 2 2.1%
8 Ukraine 2 2.1%
9 United Arab Emirates 1 1%
10 Netherlands 1 1%
11 Cote D'ivoire 1 1%