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 38 51.4%
2 United States 14 18.9%
3 Germany 6 8.1%
4 Malaysia 4 5.4%
5 Canada 4 5.4%
6 Taiwan 2 2.7%
7 Hong Kong 2 2.7%
8 Japan 1 1.4%
9 United Kingdom 1 1.4%
10 Moldova, Republic of 1 1.4%
11 Singapore 1 1.4%