BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 43 48.9%
2 United States 25 28.4%
3 Germany 9 10.2%
4 Hong Kong 3 3.4%
5 Singapore 2 2.3%
6 Taiwan 2 2.3%
7 United Arab Emirates 1 1.1%
8 United Kingdom 1 1.1%
9 Sweden 1 1.1%
10 Portugal 1 1.1%