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 Canada 27 27.8%
2 China 26 26.8%
3 Germany 14 14.4%
4 United States 11 11.3%
5 Sweden 7 7.2%
6 Korea, Republic of 3 3.1%
7 Netherlands 3 3.1%
8 Russia 2 2.1%
9 India 2 2.1%
10 France 2 2.1%