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 United States 84 50%
2 China 51 30.4%
3 Germany 17 10.1%
4 France 5 3%
5 Russia 5 3%
6 United Kingdom 2 1.2%
7 Hong Kong 2 1.2%
8 Japan 1 0.6%
9 Poland 1 0.6%