BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 Germany 17 41.5%
2 United States 10 24.4%
3 China 5 12.2%
4 Taiwan 3 7.3%
5 Australia 2 4.9%
6 United Kingdom 1 2.4%
7 Hong Kong 1 2.4%
8 Macao 1 2.4%
9 Netherlands 1 2.4%