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 25 31.6%
2 United States 17 21.5%
3 Germany 15 19%
4 Netherlands 5 6.3%
5 Taiwan 5 6.3%
6 Republic of Korea 3 3.8%
7 Romania 3 3.8%
8 Malaysia 3 3.8%
9 Canada 1 1.3%
10 Lithuania 1 1.3%
11 United Kingdom 1 1.3%