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 China 15 39.5%
2 United States 9 23.7%
3 Singapore 5 13.2%
4 Canada 2 5.3%
5 Switzerland 1 2.6%
6 United Kingdom 1 2.6%
7 Germany 1 2.6%
8 Hong Kong 1 2.6%
9 Japan 1 2.6%
10 Korea, Republic of 1 2.6%
11 Malaysia 1 2.6%