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 35 50.7%
2 United States 14 20.3%
3 France 7 10.1%
4 Germany 6 8.7%
5 Netherlands 2 2.9%
6 United Arab Emirates 1 1.4%
7 United Kingdom 1 1.4%
8 Canada 1 1.4%
9 Japan 1 1.4%
10 Malaysia 1 1.4%