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 152 53.7%
2 United States 52 18.4%
3 Germany 29 10.2%
4 Taiwan 18 6.4%
5 Malaysia 9 3.2%
6 United Kingdom 4 1.4%
7 Singapore 3 1.1%
8 Belarus 3 1.1%
9 Canada 3 1.1%
10 Hong Kong 2 0.7%
11 Azerbaijan 2 0.7%
12 Turkey 2 0.7%
13 Viet Nam 2 0.7%
14 Spain 1 0.4%
15 Finland 1 0.4%