BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 13 35.1%
2 China 8 21.6%
3 Germany 3 8.1%
4 Canada 3 8.1%
5 Malaysia 2 5.4%
6 Philippines 2 5.4%
7 Singapore 2 5.4%
8 Sweden 2 5.4%
9 United Kingdom 2 5.4%