He focused the sun's rays on a paper with a burning glass.

他用一面凸把阳聚焦在纸上。

In this paper, model of aspherisation for higher-dioptry spectacle lens is investigated.

本文研究度眼用消除离轴像散的非球面化模式。

Objective To study the heterophoria and effect of plus lens on it in juvenile myopes.

目的研究青少年近视眼的隐斜和正对隐斜的影响。

The spyglass contains a lens.

这个小望远含有一个。

Anastigmatic lens: Photographic lens corrected for astigmatism as well as other distortions.

消除纵横像差和其他畸变的摄影用。

344-359) describes a micrometer in which a negative lens is introduced between the eye-piece and the objectglass.

双重图象测微表与分开的。各种各样的测微表被发明了除heliometer 以外为测量由重象。Ramsdens 的测微表包括一个分开的被安置在一台地球望远的设的眼睛管的最内在的的共轭焦点。

The principle of the atom lens using a hexapole magnetic field and its aberration has been discussed.

分析了由六极磁场构成的原子束磁的原理及像差。

The influence of input beam size on the maximum intensity in the focus of singlet lens and achromat was compared.

比较了消色差及单中脉冲初始腰尺寸对聚焦的影响.

A method of parallel optical processing of double exposure specklegram or particle image using hololens array is presented.

介绍了用全息阵列对双曝散斑图或双曝粒子像进行并行学处理的方法。

Itwasproposed that defoamers “wearout” with time because the oil is gradually emulsified togive droplets and thus lenses which are too small.

他们提出，消泡剂随着时间而“耗尽”，因为油被逐步乳化而形成小滴，因此变得太小了。

The incidence face side of the claviform lens is used as a front end, and inserted into the first cylinder and fixed.

以棒形的入射面一侧作为前端，将其插入第1筒状体中，然后将其固定。

Cynosure was the first with the CAP technology and micro lens array and I believe that is best approach to fractionalize resurfacing.

赛诺秀激公司是首家使用CAP聚焦技术和微阵列的公司，而我相信这是点阵的最佳方法。

Lensman. E.E. "Doc" Smith. Classic space opera with pure-as-Boy-Scout heros and unrelentingly evil bad guys fighting for control of planet-squishing "doomsday devices."

人》（科幻）——E.E.·史密斯"博士"经典的太空歌剧，讲述了男童子军般纯朴的英雄和无情的邪恶坏蛋为潮湿行星的“世界末日装置”的控制而战斗。

Objective：To confirm that the lensometer adjusted by the special lenses group for contact lenses cant express the back vertex power of contact lenses.

证实采用接触专用标准组标定的焦度计不能准确测定被测角膜接触的顶焦度。

Apochromatic lens: Compound lens corrected for chromatic aberration, i.e. the three primary colours , red, green and blue are corrected. Also called Apochromat.

矫正色差的复合式：即是红、绿和蓝三原色的色差都已矫正。

A physiotherapeutic apparatus for preventing and treating near sighted eye has a convex lens used as objective lens, lens cone, eyepiece, headgear and lens set.

一种防治近视眼的理疗器，它有作为物的凸、筒、目，还有头套和组，它用于人们在近距离上长时间用眼时戴在眼上，可以使被视物的像清楚、放大和变远。

By chiseling a BOL on a surface of a lens, a apochromatic system is composed, which actualizes the system's apochromatism, as well as revising primary aberration.

并将二元学面刻画在的表面，在校正系统初级像差的同时，实现了系统的复消色差。

During this alignment, each crystal can act like a miniature lens, refracting sunlight into our view and creating phenomena like parhelia, the technical term for sundogs.

在这个平面内，每一个冰晶就像一个小一样，将太阳折射入我们的视野，造成幻日现象，其术语就是幻日。

According to the properties of basic points of lens group and the varifocal principle of lens group,a varifocal optical system which has a fixed image space principal point has been designed.

根据组基点性质和组可变焦原理,设计定第二主点变焦学系统。