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 125 63.5%
2 United States 28 14.2%
3 Germany 14 7.1%
4 Taiwan 13 6.6%
5 Hong Kong 11 5.6%
6 Canada 2 1%
7 Portugal 1 0.5%
8 Singapore 1 0.5%
9 United Kingdom 1 0.5%
10 Czech Republic 1 0.5%