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 41 43.2%
2 Canada 21 22.1%
3 United States 9 9.5%
4 Germany 9 9.5%
5 Japan 5 5.3%
6 Korea, Republic of 2 2.1%
7 Cyprus 2 2.1%
8 Netherlands 2 2.1%
9 Turkmenistan 2 2.1%
10 France 1 1.1%
11 Malaysia 1 1.1%