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 23 40.4%
2 United States 16 28.1%
3 Germany 4 7%
4 Ireland 3 5.3%
5 France 3 5.3%
6 United Kingdom 3 5.3%
7 Japan 2 3.5%
8 Malaysia 1 1.8%
9 Singapore 1 1.8%
10 Italy 1 1.8%