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 15 31.2%
2 Germany 12 25%
3 China 8 16.7%
4 Republic of Korea 3 6.2%
5 Finland 2 4.2%
6 France 2 4.2%
7 Australia 2 4.2%
8 Ecuador 1 2.1%
9 United Kingdom 1 2.1%
10 India 1 2.1%
11 Japan 1 2.1%