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 22 31.9%
2 China 18 26.1%
3 Germany 14 20.3%
4 India 4 5.8%
5 Netherlands 3 4.3%
6 Romania 3 4.3%
7 Saudi Arabia 1 1.4%
8 Republic of Korea 1 1.4%
9 Korea, Republic of 1 1.4%
10 Hong Kong 1 1.4%
11 Finland 1 1.4%