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 48 44.4%
2 United States 23 21.3%
3 Taiwan 8 7.4%
4 Hong Kong 8 7.4%
5 Netherlands 8 7.4%
6 Germany 6 5.6%
7 2 1.9%
8 United Kingdom 1 0.9%
9 Japan 1 0.9%
10 Portugal 1 0.9%
11 Russia 1 0.9%
12 Singapore 1 0.9%