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 66 41.8%
2 United States 34 21.5%
3 Netherlands 15 9.5%
4 Germany 13 8.2%
5 France 5 3.2%
6 Korea, Republic of 5 3.2%
7 Taiwan 5 3.2%
8 Hong Kong 4 2.5%
9 United Kingdom 3 1.9%
10 India 2 1.3%
11 Philippines 2 1.3%
12 Czech Republic 2 1.3%
13 Canada 1 0.6%
14 Russia 1 0.6%