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 34 36.6%
2 United States 28 30.1%
3 Taiwan 10 10.8%
4 Germany 8 8.6%
5 Hong Kong 6 6.5%
6 Netherlands 2 2.2%
7 Portugal 1 1.1%
8 United Kingdom 1 1.1%
9 Japan 1 1.1%
10 Estonia 1 1.1%
11 France 1 1.1%