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 45.5%
2 Netherlands 26 26.3%
3 Germany 9 9.1%
4 United States 9 9.1%
5 Hong Kong 3 3%
6 Poland 2 2%
7 Russia 2 2%
8 United Kingdom 2 2%
9 France 1 1%