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 39 44.8%
2 Canada 21 24.1%
3 United States 12 13.8%
4 Germany 5 5.7%
5 Japan 4 4.6%
6 France 2 2.3%
7 Cyprus 1 1.1%
8 Estonia 1 1.1%
9 Netherlands 1 1.1%
10 United Kingdom 1 1.1%