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 26 45.6%
2 Germany 8 14%
3 United States 7 12.3%
4 Canada 3 5.3%
5 Singapore 3 5.3%
6 United Kingdom 3 5.3%
7 Hong Kong 3 5.3%
8 India 1 1.8%
9 Indonesia 1 1.8%
10 Italy 1 1.8%
11 Japan 1 1.8%