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 18 31.6%
2 China 15 26.3%
3 Germany 13 22.8%
4 Netherlands 3 5.3%
5 Romania 3 5.3%
6 United Kingdom 2 3.5%
7 Republic of Korea 1 1.8%
8 Republic of Lithuania 1 1.8%
9 Korea, Republic of 1 1.8%