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 76 53.5%
2 United States 40 28.2%
3 Germany 14 9.9%
4 Netherlands 3 2.1%
5 Republic of Korea 2 1.4%
6 Taiwan 2 1.4%
7 United Kingdom 2 1.4%
8 Japan 1 0.7%
9 Czech Republic 1 0.7%
10 Australia 1 0.7%