BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 China 27 31.4%
2 United States 22 25.6%
3 Canada 20 23.3%
4 Germany 5 5.8%
5 Switzerland 4 4.7%
6 Netherlands 3 3.5%
7 France 3 3.5%
8 United Kingdom 2 2.3%