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 Netherlands 15 34.1%
2 China 7 15.9%
3 United States 7 15.9%
4 France 2 4.5%
5 India 2 4.5%
6 Iran, Islamic Republic of 2 4.5%
7 Korea, Republic of 2 4.5%
8 Russia 2 4.5%
9 Slovakia 2 4.5%
10 Turkey 2 4.5%
11 Germany 1 2.3%