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 27 38.6%
2 United States 18 25.7%
3 Germany 12 17.1%
4 Republic of Korea 3 4.3%
5 Macao 2 2.9%
6 Canada 2 2.9%
7 Malaysia 1 1.4%
8 Senegal 1 1.4%
9 United Kingdom 1 1.4%
10 Hong Kong 1 1.4%
11 Japan 1 1.4%
12 Finland 1 1.4%