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 United States 10 38.5%
2 China 3 11.5%
3 Taiwan 3 11.5%
4 Hong Kong 2 7.7%
5 Korea, Republic of 2 7.7%
6 Czech Republic 2 7.7%
7 Denmark 1 3.8%
8 Germany 1 3.8%
9 Singapore 1 3.8%
10 Canada 1 3.8%