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 China 39 40.2%
2 United States 31 32%
3 Germany 12 12.4%
4 India 5 5.2%
5 Netherlands 5 5.2%
6 Sweden 2 2.1%
7 Canada 1 1%
8 France 1 1%
9 Poland 1 1%