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 United States 47 47%
2 China 30 30%
3 Taiwan 5 5%
4 United Kingdom 5 5%
5 Turkey 3 3%
6 Germany 3 3%
7 France 2 2%
8 Senegal 2 2%
9 Malaysia 1 1%
10 Netherlands 1 1%
11 Russia 1 1%