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 48 68.6%
2 United States 5 7.1%
3 Germany 4 5.7%
4 Taiwan 4 5.7%
5 United Kingdom 3 4.3%
6 Brazil 1 1.4%
7 Turkey 1 1.4%
8 India 1 1.4%
9 Italy 1 1.4%
10 Kazakhstan 1 1.4%
11 Moldova, Republic of 1 1.4%