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 United States 29 52.7%
2 China 16 29.1%
3 France 3 5.5%
4 Netherlands 1 1.8%
5 Romania 1 1.8%
6 Russia 1 1.8%
7 United Kingdom 1 1.8%
8 Australia 1 1.8%
9 Canada 1 1.8%
10 Chile 1 1.8%