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 25 31.6%
2 Germany 19 24.1%
3 United States 16 20.3%
4 Korea, Republic of 6 7.6%
5 Canada 4 5.1%
6 Netherlands 2 2.5%
7 Japan 2 2.5%
8 Kazakhstan 2 2.5%
9 Cyprus 1 1.3%
10 Ukraine 1 1.3%
11 Malaysia 1 1.3%