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 12 26.7%
2 United States 10 22.2%
3 Germany 7 15.6%
4 France 4 8.9%
5 Romania 4 8.9%
6 Netherlands 2 4.4%
7 United Kingdom 2 4.4%
8 Ukraine 1 2.2%
9 Hong Kong 1 2.2%
10 Iran, Islamic Republic of 1 2.2%
11 Ireland 1 2.2%