BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 17 41.5%
2 China 11 26.8%
3 Taiwan 6 14.6%
4 Thailand 1 2.4%
5 United Kingdom 1 2.4%
6 Singapore 1 2.4%
7 Switzerland 1 2.4%
8 Algeria 1 2.4%
9 Australia 1 2.4%
10 Canada 1 2.4%