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 70 50%
2 United States 33 23.6%
3 Germany 11 7.9%
4 France 8 5.7%
5 Hong Kong 6 4.3%
6 United Kingdom 5 3.6%
7 Taiwan 2 1.4%
8 Czech Republic 2 1.4%
9 Canada 1 0.7%
10 India 1 0.7%
11 Malaysia 1 0.7%