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 39 52.7%
2 China 19 25.7%
3 Hong Kong 5 6.8%
4 Canada 4 5.4%
5 Germany 4 5.4%
6 France 1 1.4%
7 United Kingdom 1 1.4%
8 Venezuela, Bolivarian Republic of 1 1.4%