thin lens meaning in English

薄透镜

The principal points of a thin lens coincide at the center of the lens .
薄透镜的两个主点与透镜中心相重合。
In this same way we could compute the response of any number of thin lenses .
用同样的方法，我们能够求出任意数目的薄透镜的响应。
On the determination of errors in thin lens ' focal distance
对测定薄透镜焦距误差的探讨
Triplet thin lens
三合薄透镜
In this thesis , we propose a new method to generate a focused hollow laser beam by using an azimuthally - distributed 2 - phase plate and a convergent thin lens
本文提出了采用2位相板法产生聚焦中空光束的新方法。