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 40 51.3%
2 United States 18 23.1%
3 Germany 7 9%
4 Hong Kong 3 3.8%
5 Malaysia 3 3.8%
6 Taiwan 3 3.8%
7 United Kingdom 1 1.3%
8 Portugal 1 1.3%
9 Sweden 1 1.3%
10 Korea, Republic of 1 1.3%