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 19 41.3%
2 China 10 21.7%
3 Germany 7 15.2%
4 India 2 4.3%
5 France 2 4.3%
6 Netherlands 2 4.3%
7 Poland 2 4.3%
8 Georgia 1 2.2%
9 Ireland 1 2.2%