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 China 33 44%
2 United States 22 29.3%
3 France 7 9.3%
4 Germany 3 4%
5 Hong Kong 3 4%
6 Czech Republic 3 4%
7 India 1 1.3%
8 Romania 1 1.3%
9 Taiwan 1 1.3%
10 United Kingdom 1 1.3%