BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 China 15 39.5%
2 United States 11 28.9%
3 Sweden 3 7.9%
4 Japan 3 7.9%
5 Iran, Islamic Republic of 2 5.3%
6 Germany 1 2.6%
7 Netherlands 1 2.6%
8 Russia 1 2.6%
9 Singapore 1 2.6%