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 21 34.4%
2 China 11 18%
3 Germany 10 16.4%
4 Egypt 5 8.2%
5 Netherlands 5 8.2%
6 Australia 3 4.9%
7 Japan 2 3.3%
8 Korea, Republic of 1 1.6%
9 Republic of Korea 1 1.6%
10 Serbia 1 1.6%
11 United Kingdom 1 1.6%