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 72 55.4%
2 United States 28 21.5%
3 Germany 7 5.4%
4 United Kingdom 5 3.8%
5 Taiwan 3 2.3%
6 Hong Kong 3 2.3%
7 Netherlands 3 2.3%
8 Russia 3 2.3%
9 France 2 1.5%
10 Singapore 1 0.8%
11 Portugal 1 0.8%
12 Moldova, Republic of 1 0.8%
13 Finland 1 0.8%