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 32 46.4%
2 United States 18 26.1%
3 Germany 7 10.1%
4 Hong Kong 4 5.8%
5 Taiwan 3 4.3%
6 United Kingdom 1 1.4%
7 Canada 1 1.4%
8 Portugal 1 1.4%
9 Russia 1 1.4%
10 Sweden 1 1.4%