为什么镜子能颠倒左右，却不能颠倒上下？

[1]Kokichi Sugihara's English Homepage[EB/OL]. http://www.isc./~kokichis/Welcomee.html.

[2]光学“魔术”：镜子与消失术！[EB/OL]. Light科普坊, (2023-09-17). https://mp.weixin.qq.com/s/aBPZgJiGtEqrNcRU3fxiaw.

[3]Why Do Mirrors Flip Left & Right (but not up & down)?

https://www./watch?v=1t4dOPxKgrY

[4]中国科学院西安光学精密机械研究所-光学科普园地[EB/OL]. 中国科学院西安光学精密机械研究所, (2018-12-18).

https://opt.cas.cn/kpyd/kpwz/201812/t20181218_5217790.html

[5]Makoto Otsubo, “Aerial imaging principle and its commercialization and future developments,” Proceedings of the International Display Workshops, Vol. 28: 227-230, 2021

[6]焦述铭. 角反射器：让光线“掉头”[EB/OL]. 网易号, (2024-06-30).

https://www.163.com/dy/article/J5U94HLO0511C4OP.html

[7]月亮距离我们有多远？科学家告诉你到月球要几步[EB/OL]. 新

浪科技, (2018-02-02).

https://tech.sina.com.cn/d/s/2018-02-02/doc-ifyrcsrw7752744.shtml.