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 United States 42 40.8%
2 China 26 25.2%
3 Germany 14 13.6%
4 Hong Kong 6 5.8%
5 Canada 6 5.8%
6 Taiwan 3 2.9%
7 Thailand 1 1%
8 Ukraine 1 1%
9 United Kingdom 1 1%
10 Netherlands 1 1%
11 Portugal 1 1%
12 France 1 1%