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 170 69.4%
2 United States 47 19.2%
3 Germany 14 5.7%
4 Taiwan 3 1.2%
5 Canada 3 1.2%
6 United Kingdom 2 0.8%
7 Belgium 1 0.4%
8 Denmark 1 0.4%
9 Thailand 1 0.4%
10 United Arab Emirates 1 0.4%
11 Japan 1 0.4%
12 Macao 1 0.4%