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 55 57.3%
2 United States 23 24%
3 Germany 6 6.2%
4 Hong Kong 6 6.2%
5 Malaysia 2 2.1%
6 Netherlands 1 1%
7 Portugal 1 1%
8 Russia 1 1%
9 United Kingdom 1 1%