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 40 50.6%
2 China 15 19%
3 Germany 12 15.2%
4 Netherlands 4 5.1%
5 Republic of Korea 2 2.5%
6 Singapore 1 1.3%
7 France 1 1.3%
8 Ireland 1 1.3%
9 Japan 1 1.3%
10 Malaysia 1 1.3%
11 Canada 1 1.3%