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 142 57.5%
2 United States 50 20.2%
3 Germany 38 15.4%
4 Taiwan 4 1.6%
5 Turkey 2 0.8%
6 Canada 2 0.8%
7 Hong Kong 2 0.8%
8 Netherlands 2 0.8%
9 Norway 2 0.8%
10 Singapore 1 0.4%
11 Australia 1 0.4%
12 United Kingdom 1 0.4%