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 51 45.9%
2 United States 30 27%
3 Republic of Korea 6 5.4%
4 Finland 6 5.4%
5 India 6 5.4%
6 France 4 3.6%
7 Korea, Republic of 3 2.7%
8 Luxembourg 1 0.9%
9 Netherlands 1 0.9%
10 Germany 1 0.9%
11 Thailand 1 0.9%
12 Australia 1 0.9%