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 16 24.6%
2 China 15 23.1%
3 Netherlands 12 18.5%
4 Korea, Republic of 9 13.8%
5 Canada 4 6.2%
6 France 4 6.2%
7 Germany 2 3.1%
8 Taiwan 2 3.1%
9 Singapore 1 1.5%