BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 China 51 54.3%
2 Germany 17 18.1%
3 United States 9 9.6%
4 India 5 5.3%
5 Senegal 4 4.3%
6 Nigeria 3 3.2%
7 Canada 1 1.1%
8 Taiwan 1 1.1%
9 Netherlands 1 1.1%
10 Finland 1 1.1%
11 France 1 1.1%