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 35 54.7%
2 China 12 18.8%
3 Germany 4 6.2%
4 Korea, Republic of 2 3.1%
5 Netherlands 2 3.1%
6 Poland 2 3.1%
7 Spain 2 3.1%
8 France 2 3.1%
9 Algeria 2 3.1%
10 Sweden 1 1.6%