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 28 36.8%
2 China 24 31.6%
3 Germany 12 15.8%
4 Netherlands 3 3.9%
5 Romania 3 3.9%
6 Taiwan 1 1.3%
7 United Kingdom 1 1.3%
8 Republic of Korea 1 1.3%
9 Japan 1 1.3%
10 Finland 1 1.3%
11 France 1 1.3%