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 193 62.5%
2 United States 50 16.2%
3 Germany 45 14.6%
4 France 9 2.9%
5 Taiwan 2 0.6%
6 Hong Kong 2 0.6%
7 United Kingdom 2 0.6%
8 Canada 1 0.3%
9 Indonesia 1 0.3%
10 Mexico 1 0.3%
11 Netherlands 1 0.3%
12 Turkey 1 0.3%
13 Ukraine 1 0.3%