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 36 47.4%
2 United States 18 23.7%
3 Germany 6 7.9%
4 Canada 6 7.9%
5 United Arab Emirates 3 3.9%
6 Taiwan 2 2.6%
7 Australia 2 2.6%
8 Malaysia 1 1.3%
9 Netherlands 1 1.3%
10 New Zealand 1 1.3%