BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 94 46.5%
2 United States 67 33.2%
3 Germany 12 5.9%
4 Taiwan 6 3%
5 Canada 4 2%
6 Russia 4 2%
7 India 4 2%
8 Iran, Islamic Republic of 3 1.5%
9 Italy 3 1.5%
10 Netherlands 3 1.5%
11 United Kingdom 2 1%