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 51 51.5%
2 United States 26 26.3%
3 France 6 6.1%
4 Germany 6 6.1%
5 Ukraine 3 3%
6 Netherlands 2 2%
7 Thailand 1 1%
8 Trinidad and Tobago 1 1%
9 Hong Kong 1 1%
10 India 1 1%
11 Japan 1 1%