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 43 60.6%
2 China 17 23.9%
3 France 3 4.2%
4 Taiwan 2 2.8%
5 United Kingdom 2 2.8%
6 Germany 1 1.4%
7 Hong Kong 1 1.4%
8 Romania 1 1.4%
9 Senegal 1 1.4%