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 62 54.4%
2 United States 24 21.1%
3 Germany 7 6.1%
4 Hong Kong 6 5.3%
5 Portugal 5 4.4%
6 Taiwan 3 2.6%
7 Italy 2 1.8%
8 Japan 1 0.9%
9 Poland 1 0.9%
10 Canada 1 0.9%
11 Russia 1 0.9%
12 Sweden 1 0.9%