1.
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。
2.
Further study on thin-lens focal length measurement experiment;
再议对薄透镜焦距测定的进一步研究
3.
Discussion on the Basic Point and Basic Face of Compound Lens;
薄透镜组合的基点与基面位置的讨论
4.
Improvement on a Device in the Experiment of the Measurement of the Thin Lens Focallength;
“薄透镜焦距的测定”实验装置的改进
5.
Imaging Problem of Spherical Mirror and Thin Lens with Icon Research;
图示法研究球面镜和薄透镜的成像问题
6.
The Problem Existing in Measuring the Focal Length of Thin Lens;
测量薄透镜焦距中存在的问题及解决办法
7.
Discussion on the Methods of Coaxal Adjustment of Determining the Focal Length of Thin Lens;
一种薄透镜焦距测定中共轴调节方法讨论
8.
How to Find the Position of the Image in the Experiment of Measuring the Foci of Thin Covex;
测薄透镜焦距实验中成象位置的确定方法
9.
Research on Focal Depth in the Experiment of Thin Lens' Focal Length Measurement
薄透镜焦距测量实验中焦深问题的研究
10.
A research on the characteristic of the refraction-reflection system composed of rotational conicoid thin lens and flat mirrors
旋转二次曲面薄透镜与平面镜组成的折反光学系统的性质研究
11.
Measuring the focal lengths of thin lens by means of object distance and image distance is a commonly utilized method in geometric optics.
利用物距、像距法测量薄透镜的焦度是几何光学中最常用的方法。
12.
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。
13.
Propagation Properties of Partially Coherent Flat-topped Beam Passing through Astigmatic Lens;
部分相干平顶光束经过双焦距薄透镜的传输特性研究
14.
An Analysis of the Causes of Interferential Images Caused by Autocollimation s Gauging the Foci of Thin Lens;
自准直法测量薄透镜焦距时关于干扰像问题的分析
15.
Study on Several Overlooked Phenomena in the Experiment for Thin Lens Imaging;
薄透镜成像实验中容易被忽视的几种现象的探讨
16.
Rayleigh-Sommerfeld Diffraction Formula on the Thin Acoustic Lens With Larger Aperture
较大孔径薄声透镜声场的瑞利─索末菲衍射公式
17.
A mist or film clouding a surface, as of a window, lens, or mirror.
朦胧，模糊如在窗玻璃、透镜或镜子面上挡住表面的雾或薄膜
18.
a concave lens [mirror]
凹透镜 [凹面镜]