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 27 30%
2 United States 18 20%
3 United Kingdom 17 18.9%
4 Germany 6 6.7%
5 Portugal 6 6.7%
6 France 5 5.6%
7 Malaysia 3 3.3%
8 Switzerland 3 3.3%
9 Taiwan 2 2.2%
10 Czech Republic 2 2.2%
11 Hong Kong 1 1.1%