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 28 40.6%
2 United States 15 21.7%
3 Germany 9 13%
4 Korea, Republic of 7 10.1%
5 Netherlands 3 4.3%
6 Canada 3 4.3%
7 Ukraine 2 2.9%
8 Ireland 1 1.4%
9 Cyprus 1 1.4%