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 United States 30 30.6%
2 China 18 18.4%
3 Netherlands 14 14.3%
4 Korea, Republic of 11 11.2%
5 Canada 10 10.2%
6 Germany 7 7.1%
7 France 6 6.1%
8 Taiwan 1 1%
9 United Kingdom 1 1%