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 76 58.5%
2 United States 29 22.3%
3 Germany 12 9.2%
4 Hong Kong 5 3.8%
5 India 1 0.8%
6 Korea, Republic of 1 0.8%
7 Portugal 1 0.8%
8 Russia 1 0.8%
9 Singapore 1 0.8%
10 Sweden 1 0.8%
11 Taiwan 1 0.8%
12 United Kingdom 1 0.8%