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 47 68.1%
2 United States 7 10.1%
3 Japan 6 8.7%
4 Germany 3 4.3%
5 Canada 2 2.9%
6 Luxembourg 1 1.4%
7 Netherlands 1 1.4%
8 Taiwan 1 1.4%
9 Ukraine 1 1.4%