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 29 40.8%
2 China 12 16.9%
3 Germany 11 15.5%
4 Taiwan 11 15.5%
5 Romania 3 4.2%
6 Netherlands 2 2.8%
7 Republic of Korea 1 1.4%
8 Hong Kong 1 1.4%
9 Australia 1 1.4%