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 89 63.1%
2 United States 23 16.3%
3 Germany 12 8.5%
4 Hong Kong 5 3.5%
5 France 2 1.4%
6 Russia 2 1.4%
7 Taiwan 1 0.7%
8 Ukraine 1 0.7%
9 United Kingdom 1 0.7%
10 Canada 1 0.7%
11 Chile 1 0.7%
12 Japan 1 0.7%
13 Pakistan 1 0.7%
14 Portugal 1 0.7%