BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 30 62.5%
2 United States 5 10.4%
3 Canada 4 8.3%
4 China 2 4.2%
5 Australia 2 4.2%
6 Germany 1 2.1%
7 Morocco 1 2.1%
8 Poland 1 2.1%
9 Taiwan 1 2.1%
10 United Kingdom 1 2.1%