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 215 55.3%
2 United States 95 24.4%
3 Germany 39 10%
4 France 16 4.1%
5 Taiwan 6 1.5%
6 Singapore 5 1.3%
7 Malaysia 3 0.8%
8 Turkey 2 0.5%
9 United Kingdom 2 0.5%
10 Hong Kong 2 0.5%
11 Indonesia 2 0.5%
12 Kazakhstan 1 0.3%
13 Sweden 1 0.3%