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 21 32.3%
2 United States 16 24.6%
3 Germany 15 23.1%
4 Republic of Korea 3 4.6%
5 2 3.1%
6 Chile 2 3.1%
7 France 1 1.5%
8 India 1 1.5%
9 Japan 1 1.5%
10 Netherlands 1 1.5%
11 Thailand 1 1.5%
12 United Arab Emirates 1 1.5%