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 49 53.3%
2 China 30 32.6%
3 Sweden 6 6.5%
4 Azerbaijan 2 2.2%
5 Taiwan 1 1.1%
6 United Kingdom 1 1.1%
7 Germany 1 1.1%
8 Korea, Republic of 1 1.1%
9 Netherlands 1 1.1%