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 14 30.4%
2 China 12 26.1%
3 Germany 9 19.6%
4 Netherlands 4 8.7%
5 India 2 4.3%
6 Japan 1 2.2%
7 Korea, Republic of 1 2.2%
8 Republic of Korea 1 2.2%
9 Taiwan 1 2.2%
10 United Kingdom 1 2.2%