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 38.9%
2 China 16 22.2%
3 Germany 12 16.7%
4 Netherlands 5 6.9%
5 Republic of Korea 3 4.2%
6 Japan 3 4.2%
7 Australia 2 2.8%
8 Malaysia 1 1.4%
9 Taiwan 1 1.4%
10 United Kingdom 1 1.4%