Some laws obeyed by the beam expanding by use of the thin lens are discussed.
讨论了用薄透镜扩束时应遵从的规律。
One method is presented for determining focus of thin lens by diffraction image in terms of the study results.
并根据研究结果，提出一种通过衍射图像确定薄透镜焦距的方法。
Structure design, mould design and manufacturing, injection forming and second processing of thin lens are introduced.
介绍薄型透明片的结构设计及模具设计制造、注射成型、二次加工。
Using precision casting method to produce ultra-thin lens is a new manufacturing technology which saves both Labour and time.
用精密浇注法生产超薄光学透镜是省工省时的生产新工艺。
A method of surveying the index of refraction of thin lens material with the help of images made by spherical reflection is given.
给出了一种利用透镜的球面反射像测量薄透镜的材料折射率的方法。
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。
From the focal distance formula of thin lens, the convergence and divergence nature of each kind of thin lens are discussed in different media.
从薄透镜的焦距公式出发，讨论了各种透镜在不同介质中的会聚与发散性质。
This paper proposes an experimental method to measure the focal length of a thin lens by using a resistance thread according to electricity principle.
本文提供了一种用电学原理在一根电阻丝上测量薄透镜焦距的实验方法。
The commutation rule and the optimal collimation area are analyzed when Gauss light beam passes thin lens, and the design principles of the collimator are given.
阐述高精度激光准直系统的总体构成及特点，着重分析高斯激光束经过薄透镜的变换规律、最佳准直区域以及激光准直光学系统的设计思路。
The thermal influences on its basic properties are discussed in detail. And the insensitive condition of the 4-mirror ring resonator to thermal thin lens is given.
详细讨论了热效应对谐振腔基本特性的影响，给出了四镜环形腔的热不灵敏条件。
On account of four distortions such as signal lag, radial distortion, eccentric distortion and thin lens, etc. a precision distortion correction model is established.
新模型考虑了信号滞后、径向、偏心和薄透镜等四种畸变，建立了精确的畸变矫正模型。
This article introduced the imaging principle of the thin lens and the refraction system of eyes. This article also analyzed the Simulation and Remedy of the Myopic eye.
介绍薄透镜成像原理和眼屈光系统。分析近视眼的模拟与矫正。
The lens is also thin, which means it could be incorporated into a standard liquid crystal display, says Bathiche.
这个镜头很薄，这意味着可以装入一个标准的液晶显示器，Bathiche说。
(Injecting water back returns the detector to a flat surface.) Injecting water into the chamber of the lens makes the thin membrane become a convex hemisphere.
(给舱室注射水使检测器表面回复平坦)注射水进入透镜舱室使得薄膜变成凹半球。
Generally I pay for the highest level of non-glare coatings and I usually pick the middle of the thin-lens options (my personal prescription rules out the thinnest, lightest lenses).
我一般选择最高级的防辐射镀膜镜片，并且挑选中薄的(我的个人验光处方上规定最薄最轻的镜片)。
If you have a subject with long and thin fingers a pose like the one above will allow you to use the thumb or index finger closer to the camera lens.
如果你的模特手指细长，你也可以像上图一样，让拇指或者食指最靠近镜头。
As the lens is so thin (between 6mm and 11mm), it could be used to replace the backlight of an LCD TV.
因透镜十分薄(6到11毫米)，它可取代LCD电视机的背光。
A convenient method of transforming thin laser Gaussian beam into line beam by a single spherical lens is reported.
报道一种用单片球面透镜将细激光束变换为线光束的简便方法。
The coating of a spectacle lens is to coat thin optical coatings with a certain thickness and a number of layers on the lens surface.
眼镜片镀膜，就是在镜片表面镀上具有一定厚度和层数的光学薄膜。
On the basis of thin-lens focal length measurement experiment, the imaging law of refraction-reflection system was further studied.
在薄透镜焦距测定实验的基础上，进一步讨论了折射反射系统成像的规律。
Conjugate method is an accurate, simple and convenient method to measure the focal distance of thin convex lens.
共轭法是一种较为准确和简便的测量薄透镜焦距的方法。
The thin film deposition is used to make 16 step Fresnel lens . It can implement system′s lightweight, miniaturization and increase free degree of the design.
使用薄膜沉积法制作16阶菲涅耳透镜，用它代替常规的光学透镜可实现系统的轻量化、小型化，并增加系统设计的自由度。
The soil fabric is nonuniform, and there are lens, thining out, thin layer of soft clay, high ground water table.
土质不均匀，有透镜体、尖灭、软粘土夹层，地下水位高。
The characteristics of negative temperature state system were discussed, and compared with the image-forming behavior of thin convex lens.
分析了处于负温度状态系统的特征，并将其与薄凸透镜成像特征作类比，阐明了应用类比法讲授负温度状态的优越性。
The 16-step Fresnel lens had been fabricated by thin film deposition and ion beam etching and it has been used in refractive-diffractive CCD camera.
使用薄膜沉积法和离子束刻蚀法制作16阶菲涅耳透镜，应用于折衍混合CCD相机。
Under conditions of monochromatic light and a small object, the spherical aberration was the main factor which led to measuring error of focus of thin convex lens.
在单色光、小物条件下，球差是引起薄凸透镜焦距的测量误差的主要因素。
We use the thin film deposition to make 16 step fresnel lens, which can obtains lightweight system, miniaturization and increases free degree of the design.
使用薄膜沉积法制作1 6阶菲涅耳透镜，用它代替常规的光学透镜可实现系统的轻量化、小型化、增加系统设计的自由度。
This fairly common sight occurs when high thin clouds containing millions of tiny ice crystals cover much of the sky. Each ice crystal ACTS like a miniature lens.
这种相当常见的气象景象之所以会出现，是因为覆盖广大天空的高层薄云中含有数以百万计的小冰晶，而每一个冰晶的作用就像是小型的棱镜。
This fairly common sight occurs when high thin clouds containing millions of tiny ice crystals cover much of the sky. Each ice crystal ACTS like a miniature lens.
这种相当常见的气象景象之所以会出现，是因为覆盖广大天空的高层薄云中含有数以百万计的小冰晶，而每一个冰晶的作用就像是小型的棱镜。
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