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 28 40.6%
2 Germany 14 20.3%
3 China 13 18.8%
4 Netherlands 6 8.7%
5 Romania 3 4.3%
6 Hong Kong 3 4.3%
7 Australia 1 1.4%
8 Venezuela, Bolivarian Republic of 1 1.4%