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 United States 42 43.8%
2 China 18 18.8%
3 Germany 17 17.7%
4 Sweden 6 6.2%
5 Netherlands 4 4.2%
6 Singapore 4 4.2%
7 France 3 3.1%
8 Czech Republic 2 2.1%