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 United States 25 27.2%
2 Germany 21 22.8%
3 China 19 20.7%
4 Switzerland 8 8.7%
5 Japan 5 5.4%
6 Korea, Republic of 5 5.4%
7 India 4 4.3%
8 France 2 2.2%
9 Canada 1 1.1%
10 Cyprus 1 1.1%
11 Ireland 1 1.1%