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 46.1%
2 China 31 30.4%
3 Germany 7 6.9%
4 United Kingdom 4 3.9%
5 Russia 4 3.9%
6 France 3 2.9%
7 Hong Kong 2 2%
8 Taiwan 2 2%
9 Ukraine 1 1%
10 Poland 1 1%