BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 China 53 51.5%
2 United States 22 21.4%
3 Germany 12 11.7%
4 Taiwan 5 4.9%
5 Nigeria 4 3.9%
6 Singapore 1 1%
7 France 1 1%
8 India 1 1%
9 Ireland 1 1%
10 Japan 1 1%
11 United Kingdom 1 1%
12 Australia 1 1%