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 32 36.4%
2 Germany 18 20.5%
3 China 12 13.6%
4 France 4 4.5%
5 Korea, Republic of 4 4.5%
6 Hong Kong 4 4.5%
7 Netherlands 3 3.4%
8 Russia 3 3.4%
9 United Kingdom 2 2.3%
10 India 2 2.3%
11 Iran, Islamic Republic of 1 1.1%
12 Poland 1 1.1%
13 Taiwan 1 1.1%
14 Viet Nam 1 1.1%