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 7 31.8%
2 China 3 13.6%
3 Taiwan 3 13.6%
4 Australia 2 9.1%
5 Germany 2 9.1%
6 Malaysia 2 9.1%
7 Singapore 1 4.5%
8 Switzerland 1 4.5%
9 Comoros 1 4.5%