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 38 50%
2 Canada 16 21.1%
3 United States 12 15.8%
4 Korea, Republic of 6 7.9%
5 Netherlands 1 1.3%
6 Switzerland 1 1.3%
7 Cyprus 1 1.3%
8 Germany 1 1.3%