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 28 41.8%
2 China 14 20.9%
3 Germany 12 17.9%
4 Netherlands 4 6%
5 Malaysia 3 4.5%
6 Republic of Korea 2 3%
7 Taiwan 1 1.5%
8 Hong Kong 1 1.5%
9 Iran, Islamic Republic of 1 1.5%
10 France 1 1.5%