讨论了用薄透镜扩束时应遵从的规律。
Some laws obeyed by the beam expanding by use of the thin lens are discussed.
共轭法是一种较为准确和简便的测量薄透镜焦距的方法。
Conjugate method is an accurate, simple and convenient method to measure the focal distance of thin convex lens.
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。
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.
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。
Measuring the focal lengths of thin lens by means of object distance and image distance is a commonly utilized method in geometric optics.
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。
One method is presented for determining focus of thin lens by diffraction image in terms of the study results.
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。
A method of surveying the index of refraction of thin lens material with the help of images made by spherical reflection is given.
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。
This paper proposes an experimental method to measure the focal length of a thin lens by using a resistance thread according to electricity principle.
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。
On the basis of thin-lens focal length measurement experiment, the imaging law of refraction-reflection system was further studied.
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。
From the focal distance formula of thin lens, the convergence and divergence nature of each kind of thin lens are discussed in different media.
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。
On account of four distortions such as signal lag, radial distortion, eccentric distortion and thin lens, etc. a precision distortion correction model is established.
本文讨论了薄透镜孔径对透镜傅里叶变换公式导出带来的困难，较全面地分析了使用该公式应满足的条件。
The paper discusses the difficulty presented in deducing Fourier transform formula due to the lens aperture restriction, and analyzes the desired conditions in using the formula in great detail.
从共轴球面系三对基点的概念出发，给出了前后介质都是空气的薄透镜组和厚透镜的基点位置的简易解法。
The locations of cardinal points of coaxial spherical system is defined by the conception of three pairs of cardinal points of coaxial spherical system in the air co-medium.
推导过程中假设物面位置不随温度发生变化，并且忽略分离薄透镜组中各组分上光线入射高度随温度的变化。
It is assumed that the object distance and the incident height of each lens do not change with temperature.
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 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.
光线在确定合适角度以后，经透镜底部较薄处折射后从透镜前端发出。
Light enters at the thinner, bottom end of the lens and bounces around until reaching the desired Angle and emerging from the front of the lens.
因透镜十分薄(6到11毫米)，它可取代LCD电视机的背光。
As the lens is so thin (between 6mm and 11mm), it could be used to replace the backlight of an LCD TV.
Yabe博士的诀窍是使用比较小的菲涅尔透镜——棱镜同心环构成的透明较薄的平面透镜。
Dr Yabe's trick is to use relatively small Fresnel lenses-transparent and relatively thin planar lenses made up of concentric rings of prisms.
本文把这种热效应归为薄的热透镜，详细讨论了热效应的影响。
The influences due to the thermal len are discussed in detail in this paper.
最后，通过薄凸透镜的反射成象原理和逆向光路的计算，推导出测量薄凸透镜的光学参量的简便方法。
At last, from the reflection imaging theory and the calculating method of the converse light route, this test deduces the easy way to measure thin convex lens's optics parameter.
最后，通过薄凸透镜的反射成象原理和逆向光路的计算，推导出测量薄凸透镜的光学参量的简便方法。
At last, from the reflection imaging theory and the calculating method of the converse light route, this text deduces the easy way to measure this convex lens's optics parameter.
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。
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.
缺点是经圆柱透镜形成的片光具有发散性，不能制作小数量级的缺陷，并且实验中只能使用薄晶体。
The disadvantage of sheet-light is divergent and can not make more small defects, and can only use thin crystal in experiment.
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 characteristics of negative temperature state system were discussed, and compared with the image-forming behavior of thin convex lens.
在注射过程中，模具可以通气以克服与注塑非常薄的透镜相关联的许多障碍。
During injection the mold is allowed to breathe thereby overcoming many of the obstacles associated with injection molding very thin lenses.
在注射过程中，模具可以通气以克服与注塑非常薄的透镜相关联的许多障碍。
During injection the mold is allowed to breathe thereby overcoming many of the obstacles associated with injection molding very thin lenses.
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