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 24 31.6%
2 Germany 20 26.3%
3 United States 16 21.1%
4 Netherlands 6 7.9%
5 Ireland 3 3.9%
6 Hong Kong 2 2.6%
7 United Kingdom 2 2.6%
8 Australia 1 1.3%
9 Serbia 1 1.3%
10 Korea, Republic of 1 1.3%