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 China 45 63.4%
2 United States 15 21.1%
3 Hong Kong 3 4.2%
4 Germany 2 2.8%
5 Australia 2 2.8%
6 Canada 1 1.4%
7 Malaysia 1 1.4%
8 Taiwan 1 1.4%
9 United Kingdom 1 1.4%