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 45 53.6%
2 United States 13 15.5%
3 Germany 12 14.3%
4 Hong Kong 3 3.6%
5 India 3 3.6%
6 Romania 3 3.6%
7 Sweden 1 1.2%
8 United Kingdom 1 1.2%
9 Canada 1 1.2%
10 Japan 1 1.2%
11 Korea, Republic of 1 1.2%