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 36 37.1%
2 China 26 26.8%
3 Taiwan 12 12.4%
4 Germany 11 11.3%
5 Netherlands 5 5.2%
6 New Zealand 2 2.1%
7 Republic of Korea 2 2.1%
8 Russia 1 1%
9 Australia 1 1%
10 Finland 1 1%