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 114 67.5%
2 United States 21 12.4%
3 Germany 11 6.5%
4 Taiwan 8 4.7%
5 United Kingdom 3 1.8%
6 Netherlands 3 1.8%
7 Hong Kong 3 1.8%
8 Canada 3 1.8%
9 Malaysia 1 0.6%
10 Portugal 1 0.6%
11 Switzerland 1 0.6%