BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 182 68.4%
2 United States 36 13.5%
3 Germany 32 12%
4 Norway 3 1.1%
5 Canada 3 1.1%
6 United Kingdom 2 0.8%
7 Sweden 2 0.8%
8 Hong Kong 2 0.8%
9 Moldova, Republic of 2 0.8%
10 Taiwan 1 0.4%
11 Uzbekistan 1 0.4%