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 United States 30 30.9%
2 China 27 27.8%
3 Netherlands 22 22.7%
4 Taiwan 9 9.3%
5 Germany 3 3.1%
6 Greece 2 2.1%
7 Korea, Republic of 1 1%
8 Switzerland 1 1%
9 Australia 1 1%
10 Canada 1 1%