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 United States 18 32.7%
2 Germany 16 29.1%
3 China 10 18.2%
4 India 3 5.5%
5 Taiwan 2 3.6%
6 United Kingdom 1 1.8%
7 Malaysia 1 1.8%
8 Netherlands 1 1.8%
9 Republic of Korea 1 1.8%
10 Algeria 1 1.8%
11 Hong Kong 1 1.8%