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 48 57.1%
2 United States 18 21.4%
3 France 4 4.8%
4 Germany 4 4.8%
5 Finland 3 3.6%
6 United Kingdom 2 2.4%
7 Australia 1 1.2%
8 Hong Kong 1 1.2%
9 India 1 1.2%
10 Japan 1 1.2%
11 Russia 1 1.2%