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 50 56.2%
2 United States 20 22.5%
3 Germany 6 6.7%
4 Hong Kong 5 5.6%
5 Taiwan 3 3.4%
6 United Kingdom 1 1.1%
7 Czech Republic 1 1.1%
8 Japan 1 1.1%
9 Portugal 1 1.1%
10 Russia 1 1.1%