convex lens

For medium and small spherical convex lens into the optical disk or a single piece polishing.

用于中、小光学球面凹凸透镜的成盘或单件抛光加工。

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Measurement of Refractive Index of Liquid with Liquid Thin Convex Lens

用液体-薄凸透镜组测定液体折射率

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A single convex lens is used to produce an enlarged image.

能够产生放大图像的单个凸透镜。

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Error of the Non-ideal Thin Convex Lens Focus Measures

非理想薄凸透镜焦距测量的误差

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Observation of the effect of lower degree convex lens on prevention of myopia

低度凸透镜预防近视效果观察

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Having greater curvature on the concave side than on the convex side . Used of a lens.

凹凸的凹面曲率大于凸面曲率的.

网络文摘精选

Two kinds of convex lens which make parallel light rays converge to the focal point are given.

本文给出两种能使平行光严格聚焦于一点的凸透镜。

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Two kinds of convex lens which make parallel rays converge to the focal point are given.

本文给出两种能使平行光严格聚焦于一点的凸透镜.

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The Analysis of Uncertainty in Thin Convex Lens's Focal Length Measurement

薄凸透镜焦距测量的不确定度分析

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Error Analysis and Ways to Make fewer in Measuring Focal Distance of Convex Lens

凸透镜焦距测量的误差分析和减小方法

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The convex lens focal distance measurement method of imaging technology with CCD

实验室正透镜焦距测量方法之CCD成像技术的运用

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The convex lens and planoconcave mirror thermal lens compensation methods are proposed and applied to a high power pumped Tm: YAP laser.

最后提出了凸透镜和平凹镜两种热透镜补偿方案，在实验中对这两种方案进行了验证。

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Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.

配戴低度凸透镜可降低小学生近视的发生率.

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A convex lens is used to concentrate rays of light.

凸透镜用于聚集光线.

词典精选例句

Based on third-order aberration theory, a null testing system using compensator for an off-axis convex hyperboloid mirror is designed, it avoids that the aperture of auxiliary lens is overmuch larger when the Hindle test is applied.

从三级像差理论出发，设计出了离轴凸双曲面反射镜的Null补偿检验系统，克服了采用Hindle球检验口径过大的问题。

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Conclusion Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.

结论配戴低度凸透镜可降低小学生近视的发生率.

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For the optics system of thin convex lens, intensity distribution is numerical simulation;

最后以薄透镜系统为例，数值计算了该方向上的强度分布；

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Large convex lens produces image that is viewed through the eyepiece.

通过目镜观察物体图像的大的凸透镜。

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Objective To investigate the effect of lower degree convex lens on preventing myopia of primary school students.

目的探讨低度凸透镜预防小学生视近的效果。

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The conversion for beam characteristics of high power lasers produced by multimode fiber through convex lens

用单透镜变换由多模光纤出射的大功率Nd：YAG激光束的特性

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The effects of spherical aberration on measuring focus of thin convex lens with object distance image distance method

球差对物距像距法测薄凸透镜焦距的影响

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There are six various plane and concave-convex lens.

备有六种不同面型和凹凸透镜.

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He polished the convex lens of his telescope.

他擦亮了凸透镜的望远镜.

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Research on Correct Operation in Measuring Radius of Even Convex Lens with Newton Ring

用牛顿环测平凸透镜曲率半径的规范操作研究

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In this paper, a measuring method of convex lens foci in collimator is given.

介绍一种测量平行光管内凸透镜焦距的测量方法。

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The outer shell of the liquid-filled convex lens is provided with two structures; a two-piece combined type structure and an integral type structure.

充液凸透镜的外壳，分两片合成式和整体式两种结构；

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Methods Hypermetropia and myopia were induced by convex lens in front of eyes of 32 subjects.

方法在正常眼前放置正、负球镜,人工诱导单纯性远视、近视性屈光参差.

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Embossed film Wearing lower degree convex lens can reduce incidence rate of myopia in primary school students.

（带半圆凸透镜层的彩色电视录象用）浮雕影片配戴低度凸透镜可降低小学生近视的发生率。

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A convex lens causes rays to converge on a single point, the focal point.

会聚透镜使光线会聚于一点, 即焦点.

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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。

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