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 United States 13 35.1%
2 Germany 9 24.3%
3 China 5 13.5%
4 Netherlands 5 13.5%
5 Republic of Korea 1 2.7%
6 United Kingdom 1 2.7%
7 Australia 1 2.7%
8 Finland 1 2.7%
9 Korea, Republic of 1 2.7%