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 52 64.2%
2 Germany 9 11.1%
3 United States 5 6.2%
4 Canada 3 3.7%
5 Belgium 2 2.5%
6 France 2 2.5%
7 India 2 2.5%
8 Taiwan 2 2.5%
9 Hungary 1 1.2%
10 Japan 1 1.2%
11 Morocco 1 1.2%
12 Netherlands 1 1.2%