BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 65 65.7%
2 United States 11 11.1%
3 Canada 6 6.1%
4 Netherlands 6 6.1%
5 Ukraine 2 2%
6 Japan 2 2%
7 Malaysia 2 2%
8 Denmark 1 1%
9 Germany 1 1%
10 United Kingdom 1 1%
11 Singapore 1 1%
12 Taiwan 1 1%