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 31 44.9%
2 Germany 13 18.8%
3 China 8 11.6%
4 Taiwan 8 11.6%
5 India 3 4.3%
6 Australia 2 2.9%
7 Hong Kong 1 1.4%
8 Iran, Islamic Republic of 1 1.4%
9 Ireland 1 1.4%
10 Republic of Korea 1 1.4%