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 39 45.3%
2 United States 29 33.7%
3 Germany 5 5.8%
4 Taiwan 5 5.8%
5 United Kingdom 2 2.3%
6 France 2 2.3%
7 Canada 1 1.2%
8 Czech Republic 1 1.2%
9 Hong Kong 1 1.2%
10 Singapore 1 1.2%