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 21 28.4%
2 China 17 23%
3 France 10 13.5%
4 Germany 9 12.2%
5 Italy 7 9.5%
6 Spain 4 5.4%
7 Turkey 2 2.7%
8 United Kingdom 2 2.7%
9 Belgium 1 1.4%
10 Japan 1 1.4%