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 23 41.1%
2 Germany 13 23.2%
3 Korea, Republic of 7 12.5%
4 United States 6 10.7%
5 Netherlands 2 3.6%
6 Poland 2 3.6%
7 Ukraine 1 1.8%
8 Canada 1 1.8%
9 Egypt 1 1.8%