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 44.9%
2 United States 28 26.2%
3 Taiwan 6 5.6%
4 Germany 5 4.7%
5 Hong Kong 5 4.7%
6 Japan 3 2.8%
7 Netherlands 3 2.8%
8 Bulgaria 3 2.8%
9 United Kingdom 2 1.9%
10 Portugal 1 0.9%
11 Spain 1 0.9%
12 Ireland 1 0.9%
13 Italy 1 0.9%