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 41 42.3%
2 United States 29 29.9%
3 Germany 10 10.3%
4 Hong Kong 6 6.2%
5 Taiwan 2 2.1%
6 Thailand 2 2.1%
7 United Kingdom 2 2.1%
8 France 1 1%
9 Japan 1 1%
10 Portugal 1 1%
11 Singapore 1 1%
12 Canada 1 1%