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 24 32.4%
2 United States 19 25.7%
3 Sweden 9 12.2%
4 Netherlands 8 10.8%
5 Germany 8 10.8%
6 Italy 2 2.7%
7 Slovakia 2 2.7%
8 Taiwan 1 1.4%
9 France 1 1.4%