| 单词 | 透镜 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔BIG〕The image is magnified by a series of lenses within the telescope. 图像是通过望远镜内一系列的透镜放大的。朗文写作活用〔Canada balsam〕A viscous, yellowish, transparent resin obtained from the balsam fir and used as a cement for glass lenses and for mounting specimens on microscopic slides.加拿大香脂：从香脂冷杉中获取的一种有粘性的、淡黄色的透明树脂，用作玻璃透镜的胶合剂或将标本粘贴在显微薄片上美国传统〔FL〕Focal length.（透镜的）焦距美国传统〔aberration〕An imperfect image caused by a physical defect in an optical element, as in a lens.色差：由于光学器件（如透镜）的物理缺陷而造成的不完美成像美国传统〔achromatic lens〕A combination of lenses made of different glass, used to produce images free of chromatic aberrations.消色差透镜：不同的镜片组成的透镜用以产生无色差的影像美国传统〔anastigmatic〕Free from astigmatism. Used of a compound lens in which the separate components compensate for the astigmatic effects of each lens.消像散的：消像散的。用于复合透镜，其中分隔部分抵消了每一个透镜的散光效果美国传统〔anastigmat〕An anastigmatic lens.消像散透镜美国传统〔aplanatic〕Of or relating to optical systems that correct for spherical aberration.等光程的，透镜消球差的：矫正球面像差的光学系统或与之有关的美国传统〔astigmatism〕A refractive defect of a lens or other optical system that prevents light rays from converging at a single point, resulting in a blurred or imperfect image.散光：有折射缺陷的透镜或其它光学系统，阻碍光线汇聚于一个焦点，形成一个模糊或不完全的图象美国传统〔axis〕A line through the optical center of a lens that is perpendicular to both its surfaces.光轴：通过透镜的中心垂直于物体两面的线美国传统〔bull's-eye〕A planoconvex lens used to concentrate light.凸透镜：用来聚光的凸镜美国传统〔chromatic aberration〕Color distortion in an image produced by a lens, caused by the inability of the lens to bring the various colors of light to focus at a single point.色像差：由透镜成像造成的色彩畸变，因为透镜不能将各种色光聚焦在一点上美国传统〔concavo-concave〕Concave on both surfaces; biconcave. Used of a lens.双面均凹进的；双凹的。用于指透镜美国传统〔concavo-convex〕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。用于指透镜美国传统〔condenser〕A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens.聚光器：用于聚光并将光引向某物体或通过一凸透镜组的镜子、透镜或透镜组美国传统〔condense〕Light is condensed by means of lenses.光线通过透镜聚集。英汉大词典〔confocal〕Having the same focus or foci. Used of a lens.共焦的：有共同焦点的。用于透镜美国传统〔contact lens〕A thin plastic or glass lens that is fitted over the cornea of the eye to correct various vision defects.隐形眼镜：一种用塑料或玻璃制成并套在眼角膜上校正各种视力缺陷的薄透镜美国传统〔convergent〕The rays become more convergent as they leave the lens.光束通过透镜后变得更加集中。剑桥高阶〔converge〕A lens converges light rays.透镜聚光。英汉大词典〔convexo-concave〕Having greater curvature on the convex side than on the concave side. Used of a lens.凸凹的：凸面比凹面曲度更大的。用来指透镜美国传统〔convexo-convex〕Convex on both sides; biconvex. Used of a lens.凸凸的：两面部凸的；双凸面的。用来指透镜美国传统〔crown lens〕The crown-glass element in an achromatic lens.冕玻璃透镜：在色差透镜中用冕玻璃做成的部件美国传统〔defocus〕The act or result of causing a lens to deviate from accurate focus.散焦，去焦：使透镜偏离准确的焦点的行为或结果美国传统〔defocus〕To cause (a beam or a lens) to deviate from accurate focus.（使）散焦：使（一束光或一个透镜）从准确的焦点上偏散开来美国传统〔diaphragm〕A disk having a fixed or variable opening used to restrict the amount of light traversing a lens or optical system.光圈：具有固定或可变孔的圆盘，用来限制穿过透镜或光学系统的光量美国传统〔diopter〕A unit of measurement of the refractive power of lenses equal to the reciprocal of the focal length measured in meters.屈光度：透镜或棱镜折光率的一种量度，等于以米计算焦距之倒数美国传统〔distortion〕A change in the shape of an image resulting from imperfections in an optical system, such as a lens.失真，畸变：光学系统，如透镜的不完美而导致的图象形状的变化美国传统〔electron lens〕Any of various devices that use an electric or a magnetic field to focus a beam of electrons.电子透镜：通过一个电场或一个磁场来使一束电子会聚的一种装置美国传统〔electron optics〕The science of the control of electron motion by electron lenses in systems or under conditions analogous to those involving or affecting visible light.电子光学：利用电子透镜控制电子活动的科学，用于类似涉及或影响可见光的系统内或条件下美国传统〔eyeglass〕A single lens in a pair of glasses; a monocle.单片眼镜：一对眼镜片中的一个单透镜；单片眼镜美国传统〔f/〕Relative aperture of a lens.透镜的相对孔径美国传统〔facet〕Biology One of the lenslike visual units of a compound eye, as of an insect.【生物学】 小眼面：复眼的像透镜的视觉单位，如昆虫的美国传统〔field lens〕The lens positioned farthest from the eye in a compound eyepiece.物镜：在复合目镜中离眼睛最远的透镜美国传统〔focal point〕The focal length is the distance between the principal point of a lens and the focal point.焦距是透镜的主点与焦点之间的距离。外研社新世纪〔focus〕To adjust (a lens, for example) to produce a clear image.调焦：调整（如透镜）而得到清晰图象美国传统〔fog〕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美国传统〔glass〕A device, such as a monocle or spyglass, containing a lens or lenses and used as an aid to vision.透镜：含一个或多个透镜，用于辅助视力的一种工具，如单片眼镜或小望远镜美国传统〔gravity〕Gravity bends light like a lens.引力像透镜一样使光线弯曲。牛津搭配〔lens〕Make sure the lens of the microscope is clean.请确认显微镜的透镜是干净的。韦氏高阶〔lenticular〕Of or relating to a lens.透镜的，或与透镜有关的美国传统〔lenticular〕Shaped like a biconvex lens.双凸透镜状的：形状像双凸透镜的美国传统〔magnifying glass〕A lens or combination of lenses that enlarges the image of an object.放大镜：能放大物体图象的透镜或者一组透镜美国传统〔magnify〕A convex lens magnifies.凸透镜用于放大物体。外研社新世纪〔magnify〕A lens would magnify the picture so it would be like looking at a large TV screen.透镜会把图片放大，就像在看巨大的电视屏幕一样。柯林斯高阶〔magnify〕A lens would magnify the picture.透镜可将图片放大。外研社新世纪〔magnify〕To increase the apparent size of, especially by means of a lens.扩大外观上的尺寸，特别是利用透镜美国传统〔meniscus〕A concavo-convex lens.凹凸透镜美国传统〔nosepiece〕The part of a microscope, often rotatable, to which one or more objective lenses are attached.换镜旋座：显微镜一部分，通常为可为围的，连接一个或多个物体透镜美国传统〔optician〕One that makes lenses and eyeglasses.光学仪器制造技师：光学透镜和眼镜的制造者美国传统〔optic〕Any of the lenses, prisms, or mirrors of an optical instrument.光学镜：光学仪器的透镜、棱镜或平面镜美国传统〔particle beam〕A beam of atoms or subatomic particles that have been accelerated by a particle accelerating device, aimed by magnets, and focused by a lens.粒子束流：一束由粒子加速器加速过的原子或亚原子粒子，用磁石定方向，用透镜集中美国传统〔pebble〕A lens made of such quartz.水晶透镜：由这种石英制成的镜片美国传统〔power〕Only simple glass lenses with insufficient powers of magnification existed.从前只有低放大率的简易玻璃透镜。外研社新世纪〔refracting telescope〕A telescope in which light from an object is gathered and focused by lenses, with the resulting image magnified by the eyepiece.折射望远镜：一种物体的光被一组透镜收集和聚焦、所成图像被目镜扩大的望远镜美国传统〔skew〕Their vision is skewed by the distorting lenses.他们看到的东西因变形透镜而变得歪歪扭扭。英汉大词典〔speed〕The capacity of a lens to accumulate light at an appropriate aperture.聚光率：透镜在合适的镜径下聚光的能力美国传统〔telescope〕An arrangement of lenses or mirrors or both that gathers visible light, permitting direct observation or photographic recording of distant objects.望远镜：采集可见光、能对远距离物体直接观察或照相记录的透镜、镜片或两者都有的装置美国传统〔trifocal〕A lens having three focal lengths.三焦距透镜美国传统〔turret〕A rotating device holding various lenses, as for a microscope, allowing easy switching from one lens to another.透镜旋转盘：一种装有各种透镜的可旋转装置，如显微镜上的，可以使转换透镜变得很容易美国传统 |
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