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 149 76.4%
2 United States 18 9.2%
3 Germany 12 6.2%
4 Taiwan 7 3.6%
5 France 3 1.5%
6 Finland 1 0.5%
7 Hong Kong 1 0.5%
8 Poland 1 0.5%
9 Republic of Korea 1 0.5%
10 Singapore 1 0.5%
11 Sweden 1 0.5%