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 70.7%
2 Hong Kong 7 7.1%
3 United States 7 7.1%
4 Taiwan 4 4%
5 Germany 4 4%
6 Netherlands 2 2%
7 Singapore 1 1%
8 Spain 1 1%
9 Canada 1 1%
10 France 1 1%
11 United Kingdom 1 1%