Fresnel lens

Fresnel lens是什么意思、Fresnel lens怎么读
【计】 菲涅耳透镜

Fresnel lens汉语翻译

【计】 菲涅耳透镜

Fresnel lens英语解释

名词 fresnel lens:

  1. lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length