BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 28 38.9%
2 United States 25 34.7%
3 Germany 5 6.9%
4 Netherlands 5 6.9%
5 Spain 3 4.2%
6 Taiwan 2 2.8%
7 United Kingdom 1 1.4%
8 Hong Kong 1 1.4%
9 Italy 1 1.4%
10 Canada 1 1.4%