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 Germany 63 61.8%
2 United States 21 20.6%
3 China 10 9.8%
4 France 3 2.9%
5 Hong Kong 1 1%
6 India 1 1%
7 Netherlands 1 1%
8 Russia 1 1%
9 United Kingdom 1 1%