BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 China 27 38.6%
2 United States 18 25.7%
3 Germany 15 21.4%
4 Taiwan 2 2.9%
5 United Kingdom 1 1.4%
6 Finland 1 1.4%
7 Indonesia 1 1.4%
8 Ireland 1 1.4%
9 Italy 1 1.4%
10 Peru 1 1.4%
11 Singapore 1 1.4%
12 Australia 1 1.4%