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 33 31.7%
2 United States 32 30.8%
3 Germany 16 15.4%
4 Taiwan 4 3.8%
5 Canada 3 2.9%
6 Netherlands 3 2.9%
7 India 3 2.9%
8 Japan 3 2.9%
9 France 3 2.9%
10 Australia 1 1%
11 Austria 1 1%
12 Malaysia 1 1%
13 United Kingdom 1 1%