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 43 47.8%
2 United States 21 23.3%
3 Germany 14 15.6%
4 Iran, Islamic Republic of 5 5.6%
5 France 3 3.3%
6 Netherlands 2 2.2%
7 Russia 1 1.1%
8 Hong Kong 1 1.1%