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 34 35.4%
2 United States 28 29.2%
3 Germany 12 12.5%
4 Hong Kong 5 5.2%
5 Canada 5 5.2%
6 Taiwan 3 3.1%
7 United Kingdom 3 3.1%
8 Malaysia 2 2.1%
9 Poland 1 1%
10 Portugal 1 1%
11 Russia 1 1%
12 Sweden 1 1%