BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 48 55.2%
2 United States 18 20.7%
3 Taiwan 5 5.7%
4 United Kingdom 4 4.6%
5 Canada 4 4.6%
6 Poland 2 2.3%
7 Hong Kong 2 2.3%
8 India 2 2.3%
9 Netherlands 1 1.1%
10 Germany 1 1.1%