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 64 71.1%
2 United States 10 11.1%
3 Germany 5 5.6%
4 Singapore 2 2.2%
5 Taiwan 2 2.2%
6 United Kingdom 2 2.2%
7 Canada 1 1.1%
8 Chile 1 1.1%
9 Hong Kong 1 1.1%
10 Japan 1 1.1%
11 Malaysia 1 1.1%