BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 28 49.1%
2 Germany 6 10.5%
3 Hong Kong 4 7%
4 Singapore 4 7%
5 Taiwan 4 7%
6 Canada 3 5.3%
7 Netherlands 3 5.3%
8 United States 3 5.3%
9 United Kingdom 1 1.8%
10 Korea, Republic of 1 1.8%