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 31 40.8%
2 United States 27 35.5%
3 Taiwan 8 10.5%
4 Hong Kong 3 3.9%
5 United Kingdom 2 2.6%
6 Germany 1 1.3%
7 Netherlands 1 1.3%
8 Portugal 1 1.3%
9 Russia 1 1.3%
10 Canada 1 1.3%