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 32.5%
2 United States 16 20.8%
3 Germany 15 19.5%
4 Taiwan 5 6.5%
5 Romania 3 3.9%
6 Canada 3 3.9%
7 India 3 3.9%
8 Japan 1 1.3%
9 Malaysia 1 1.3%
10 Republic of Korea 1 1.3%
11 Hong Kong 1 1.3%
12 El Salvador 1 1.3%
13 Sudan 1 1.3%
14 United Kingdom 1 1.3%