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 28 29.2%
2 United States 27 28.1%
3 Netherlands 14 14.6%
4 Canada 8 8.3%
5 Germany 7 7.3%
6 Korea, Republic of 7 7.3%
7 France 3 3.1%
8 Slovakia 1 1%
9 United Kingdom 1 1%