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 United States 31 28.4%
2 Germany 30 27.5%
3 China 23 21.1%
4 Korea, Republic of 9 8.3%
5 Kazakhstan 5 4.6%
6 Netherlands 4 3.7%
7 Canada 4 3.7%
8 Singapore 1 0.9%
9 Ukraine 1 0.9%
10 Cyprus 1 0.9%