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 China 37 43.5%
2 United States 21 24.7%
3 Netherlands 13 15.3%
4 France 4 4.7%
5 Germany 4 4.7%
6 Canada 2 2.4%
7 Belgium 1 1.2%
8 Taiwan 1 1.2%
9 Macao 1 1.2%
10 Morocco 1 1.2%