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 35 37.2%
2 United States 27 28.7%
3 Germany 22 23.4%
4 Taiwan 3 3.2%
5 Thailand 1 1.1%
6 United Kingdom 1 1.1%
7 Colombia 1 1.1%
8 Czech Republic 1 1.1%
9 Iran 1 1.1%
10 Ireland 1 1.1%
11 Switzerland 1 1.1%