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 42 49.4%
2 United States 23 27.1%
3 France 6 7.1%
4 Korea, Republic of 5 5.9%
5 Netherlands 3 3.5%
6 Germany 3 3.5%
7 United Kingdom 2 2.4%
8 Iran, Islamic Republic of 1 1.2%