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 9 30%
2 United States 6 20%
3 Turkey 3 10%
4 France 3 10%
5 Germany 3 10%
6 United Kingdom 2 6.7%
7 Canada 1 3.3%
8 Iran, Islamic Republic of 1 3.3%
9 Netherlands 1 3.3%
10 Russia 1 3.3%