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 97 54.8%
2 United States 60 33.9%
3 Germany 5 2.8%
4 India 4 2.3%
5 Canada 3 1.7%
6 United Kingdom 2 1.1%
7 Czech Republic 2 1.1%
8 Netherlands 2 1.1%
9 Switzerland 1 0.6%
10 France 1 0.6%