BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 China 41 42.7%
2 United States 29 30.2%
3 Germany 12 12.5%
4 Netherlands 5 5.2%
5 India 4 4.2%
6 Malaysia 1 1%
7 New Zealand 1 1%
8 Russia 1 1%
9 Ukraine 1 1%
10 Chile 1 1%