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 47 51.1%
2 United States 21 22.8%
3 Hong Kong 8 8.7%
4 Germany 7 7.6%
5 Taiwan 3 3.3%
6 United Kingdom 1 1.1%
7 Canada 1 1.1%
8 France 1 1.1%
9 Norway 1 1.1%
10 Portugal 1 1.1%
11 Russia 1 1.1%