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 152 73.4%
2 United States 30 14.5%
3 Germany 8 3.9%
4 Hong Kong 8 3.9%
5 Malaysia 2 1%
6 Taiwan 2 1%
7 United Arab Emirates 2 1%
8 United Kingdom 1 0.5%
9 Netherlands 1 0.5%
10 Portugal 1 0.5%