BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 38 39.2%
2 China 35 36.1%
3 Russia 5 5.2%
4 France 4 4.1%
5 Germany 4 4.1%
6 Iran, Islamic Republic of 4 4.1%
7 Canada 3 3.1%
8 United Kingdom 2 2.1%
9 Denmark 2 2.1%