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 United States 53 36.3%
2 China 33 22.6%
3 Germany 31 21.2%
4 Netherlands 18 12.3%
5 Sweden 5 3.4%
6 France 2 1.4%
7 Korea, Republic of 1 0.7%
8 Switzerland 1 0.7%
9 Turkey 1 0.7%
10 United Kingdom 1 0.7%