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 47 66.2%
2 United States 11 15.5%
3 Germany 4 5.6%
4 France 3 4.2%
5 Hong Kong 2 2.8%
6 Malaysia 1 1.4%
7 Netherlands 1 1.4%
8 Russia 1 1.4%
9 United Kingdom 1 1.4%