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 77 49.7%
2 Netherlands 22 14.2%
3 France 21 13.5%
4 China 20 12.9%
5 Taiwan 4 2.6%
6 Korea, Republic of 3 1.9%
7 Hong Kong 2 1.3%
8 Romania 2 1.3%
9 Czech Republic 2 1.3%
10 Germany 1 0.6%
11 Singapore 1 0.6%