| 单词 | 光学 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔D-glyceraldehyde〕An optical isomer of glyceraldehyde in which the OH group is on the right side of the asymmetric carbon atom.D-甘油醛：甘油醛的光学同质异能素，其OH团会在不对称的碳原子的右边美国传统〔Iceland spar〕A doubly refracting transparent calcite used in optical instruments.冰洲石：一种双折射透明方解石，用于光学仪器美国传统〔L-glyceraldehyde〕An optical isomer of glyceraldehyde in which the OH group is on the left side of the asymmetric carbon atom.L甘油醛：氢氧根原子团在不对称碳原子左边的甘油醛光学同分异构体美国传统〔Polaroid〕A trademark used for a specially treated, transparent plastic capable of polarizing light passing through it, used in glare-reducing optical devices.宝丽来：一种经过特殊处理的透明塑料的商标，该塑料能使通过它的光发生偏振，用于减少强光的光学设备中美国传统〔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〔acoustooptics〕The science of the interaction of acoustic and optical phenomena.声光学：研究声学和光学现象的相互作用的科学美国传统〔amnioscopy〕Examination of the amniotic cavity and fetus using an optical instrument that is inserted directly into the amniotic cavity.羊膜内视镜检法：把光学仪器直接插入羊膜腔以观察羊膜腔及胎儿美国传统〔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〔atmospherium〕An optical device designed to project images of atmospheric phenomena, such as clouds, on the inside of a dome.气象仪：将大气现象的映像，如云，投射到一个圆顶内侧的一种光学装置美国传统〔camera lucida〕An optical device that projects a virtual image of an object onto a plane surface, especially for tracing.转绘仪：一种光学装置，可将物体虚像投影到一平面之上，多用于跟踪美国传统〔capture〕The data is captured by an optical scanner.该数据是通过光学扫描器记录下来的。朗文当代〔catadioptric〕Of or relating to an optical system that uses both reflective and refractive optical devices.反射折射的：同时使用反射与折射装置的光学系统的或与其相关的美国传统〔chronoscope〕An optical instrument for the precise measurement of very small time intervals.瞬时计：精确测量很小时间间隔的光学仪器美国传统〔collimate〕To adjust the line of sight of (an optical device).校准：调整光学仪器瞄准器美国传统〔control system〕A mechanical, optical, or electronic system that is used to maintain a desired output.控制系统：用来维持所需生产量的机械、光学或电子的系统美国传统〔cross hair〕Either of two fine strands of wire crossed in the focus of the eyepiece of an optical instrument and used as a calibration or sighting reference.十字丝：呈十字形交叉于光学仪器的目镜焦点上的两根细丝之一，用于校准或瞄准参考美国传统〔crown glass〕A soda-lime optical glass that is exceptionally hard and clear, with low refraction and low dispersion.冕玻璃：一种极其坚硬、高度透明的、低折射、低色的散碱石灰光学玻璃美国传统〔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〔dioptrics〕The study of the refraction of light.屈光学：研究光的折射美国传统〔dioptric〕Relating to optical refraction; refractive.折射的：同光学折射相关的；折射美国传统〔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 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〔embossment〕The distance between the nondeformed part of a document surface and a specified point on a printed character in optical character recognition.浮雕效果：在光学字元识别中，文件表面的未变形部分与印刷字元上特定点之间的距离美国传统〔erythorbic acid〕An optical isomer of ascorbic acid used as an antioxidant.异抗坏血酸：抗坏血酸光学异构体，被用来当作抗氧化剂美国传统〔erythorbic acid〕An optical isomer of ascorbic acid used as an antioxidant.异抗坏血酸：抗坏血酸的一种光学的同质异构体，通常用作一种抗氧化剂美国传统〔fiber optics〕The science or technology of light transmission through very fine, flexible glass or plastic fibers.纤维光学：通过细长而柔软的玻璃或塑料纤维来传导光信号的科学或技术美国传统〔fiberscope〕A flexible fiber-optic instrument used to view an object or area, such as a body cavity, that would otherwise be inaccessible.纤维镜：利用光学纤维制成的一种韧性仪器，用于对一些用其它方法无法接近的物体或区域（如体腔）进行检查美国传统〔fiduciary〕Of, relating to, or being a system of marking in the field of view of an optical instrument that is used as a reference point or measuring scale.参照的：属于、关于或作为光学仪器视野中的标点系统的，该系统用作参照点或衡量尺度美国传统〔flare〕An unwanted reflection within an optical system or the resultant fogging of the image.反射，模糊景象：光学系统内一种多余的反射或由此而产生的物象模糊美国传统〔flatbed scanner〕An optical scanner in which the scanning head moves across a stationary page.平台式扫描仪：扫瞄头定点扫瞄的光学扫瞄器美国传统〔focus〕The distinctness or clarity of an image rendered by an optical system.影象的清晰度：因使用光学调节系统而形成的分明的或清晰的图象美国传统〔focus〕To adjust one's vision or an optical device so as to render a clear, distinct image.调焦：调整视力或光学仪器以使图象鲜明清晰美国传统〔focus〕To render (an object or image) in clear outline or sharp detail by adjustment of one's vision or an optical device; bring into focus.使集中于焦点：通过调节视力或光学仪器使（一物体或图象）外缘清晰或细节分明；调焦美国传统〔fringe〕Any of the light or dark bands produced by the diffraction or interference of light.（光学）条纹：由于光的衍射或干涉形成的或明或暗的条纹美国传统〔ghost〕A displaced image in a photograph caused by the optical system of the camera.重影：由照相机的光学系统引起而出现在照片上的重像或幻影美国传统〔glass〕To scan (a tract of land or forest, for example) with an optical instrument.了望，审视：用光学仪器了望（例如，一片土地或森林）美国传统〔glass〕To use an optical instrument, as in looking for game.用光学仪器眺望，如观看比赛美国传统〔goniometer〕An optical instrument for measuring crystal angles, as between crystal faces.测角器：一种光学仪器，用来测量晶体两个面之间的角度美国传统〔hydroscope〕An optical device used for viewing objects far below the surface of water.深水探视仪：一种光学仪器，用于看水表面下的物体美国传统〔inactive〕Physics Showing no optical activity in polarized light.【物理学】 无旋光的：极化光下无光学反应的美国传统〔infrared〕Their pilots are guided by an infrared optical system that shows images clearly even at night.他们的飞行员使用红外光学系统导航，即便在夜晚也能清楚地显示影像。剑桥高阶〔lens〕A device that causes radiation other than light to converge or diverge by an action analogous to that of an optical lens.辐射镜：一种通过与光学镜片类似的原理使射线而不是光线聚集起来或发散的装置美国传统〔logic gate〕A mechanical, optical, or electronic system that performs a logical operation on an input signal.逻辑门：对输入信号执行逻辑运算的机械、光学或电子系统美国传统〔magic lantern〕An optical device formerly used to project an enlarged image of a picture.幻灯机：从前用来放映放大照片的一种光学装置美国传统〔magnification〕The process of enlarging the size of something, as an optical image.放大：放大某一物体的尺寸，如一个光学图象的尺寸美国传统〔magnifier〕A system of optical components that magnifies.能起放大作用的一组光学元件美国传统〔metallography〕The study of the structure of metals and alloys, especially by optical and electron microscopy and x-ray diffraction.金相学，金属结构学：以金属与合金结构为研究对象的学科，尤指用光学和电子显微镜使用法和X射线衍射法为研究手段的美国传统〔ocular〕The eyepiece of an optical instrument.光学仪器的目镜美国传统〔optical character reader〕A device used for optical character recognition.光学字符阅读器：用于光学字符识别的设备美国传统〔optical character recognition〕The use of light-sensitive devices to identify and encode printed or handwritten characters.光学字符识别：采用感光设备识别或编码打印字符、手写字符美国传统〔optical computer〕A computer that uses holograms for compact data storage and laser beams for connections. Most optical computers use electronic components for computation.光学计算机：采用压缩数据存储的全息图和用于连接的激光束的计算机。大多数光学计算机用电子部件进行计算美国传统〔optical fiber〕A flexible optically transparent fiber, usually made of glass or plastic, through which light can be transmitted by successive internal reflections.光学纤维：一种有弹性的而且视觉透明的纤维，通常由玻璃或塑料制成，通过内部连续的反射可以传递光线美国传统〔optical scanner〕A device that converts printed images and text into digital information that can be stored as a computer file and processed by graphics software.光学扫瞄器：可将印刷图像与文字转化为数字数据并储存成计算机文件以供影像软件进行处理的装置美国传统〔optical tweezers〕A technique that uses a single-beam laser directed through an objective lens to trap, image, and manipulate micron-sized particles in three dimensions.光学钳子：引导单束光激光穿过物镜于补捉、成像并于三度空间操纵微米大小粒子的技术美国传统〔optically〕The page was optically scanned.这一页进行过光学扫描。韦氏高阶〔optical〕Of or relating to optics.与光学有关的美国传统〔optical〕The company manufactures microscopes, telescopes, and other optical instruments.这家公司生产显微镜、望远镜以及其他光学仪器。韦氏高阶〔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〔optician〕One that sells lenses, eyeglasses, and other optical instruments.眼镜商，光学仪器商：出售光学仪器、眼镜或其它光学仪器的人美国传统〔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〔optic〕Of or relating to the science of optics or optical equipment.光学的：与光学或光学仪器有关的美国传统〔orthoscopic〕Giving an undistorted image. Used of an optical instrument.给出正确映像的。用于指光学仪器美国传统〔payoff〕If such materials became generally available to the optics industry the payoffs from such a breakthrough would be enormous.如果这些材料能够普遍用于光学产业，那么这一突破带来的收益将非常巨大。柯林斯高阶〔planetarium〕An optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome.天象仪：一种能将天体和其它天文学现象的影象投射到半球状圆屋顶内表面的光学设备美国传统〔polarimeter〕An instrument used to measure the rotation of the plane of polarization of polarized light passing through an optical structure or sample.偏振计；旋光计：用来测量经过光学结构或样品的极化光的偏振平面旋转的一种仪器美国传统〔power〕A measure of the magnification of an optical instrument, such as a microscope or telescope.倍率：光学仪器，如显微镜或望远镜的放大倍数美国传统〔racemization〕Conversion of an optically active substance to a racemic form.外消旋转化：将光学活性物质转化为外消旋形式美国传统〔resolve〕Chemistry To separate (an optically inactive compound or mixture) into its optically active constituents.【化学】 分解：将（光学上稳定的一种化合物或混合物）分离为光学上不稳定的组成物美国传统〔reticle〕A grid or pattern placed in the eyepiece of an optical instrument, used to establish scale or position.标线片，标线：置于光学仪器目镜中的格子或图式，用以确定大小或位置美国传统〔rock crystal〕Colorless, transparent quartz, used in optical instruments and as a semiprecious gemstone.水晶：用于制造光学仪器及用作价格一般的宝石的无色透明石英美国传统〔ruggedly〕The camera combines rugged reliability with unequalled optical performance and speed.这款相机既坚固耐用，又有超凡的光学性能和快门速度。柯林斯高阶〔scanner〕An optical scanner.光学扫描仪美国传统〔speculum〕A mirror or polished metal plate used as a reflector in optical instruments.反射镜：光学仪器中用作反射镜的镜子或抛光的金属盘美国传统〔stereomicroscope〕A microscope optically equipped for stereoscopic viewing.体视显微镜：为立体观察而进行光学配制的显微镜美国传统〔stereoscope〕An optical instrument with two eyepieces used to impart a three-dimensional effect to two photographs of the same scene taken at slightly different angles.体视镜：一种具有两个视孔的光学仪器，用于使两张同一物体在略有不同的角度拍摄的照片看起来具有三维效果美国传统〔submicroscopic〕Too small to be resolved by an optical microscope.亚微观的：太小的以致用一般光学显微镜不能分辨或看见的美国传统〔swallow up〕The theory of electromagnetism swallowed up the theory of light.磁电学说取代了光学论。21世纪英汉〔viewfinder〕A device on a camera that indicates, either optically or electronically, what will appear in the field of view of the lens.取景器：照相机上的光学或者电子设备，用以显示出现在镜头里的东西美国传统Fibre-optic cables will transmit (= carry) the electronic signals.光学纤维电缆能传送电子信号。剑桥国际Human eyes are very adaptable optical sensors, able to respond to a wide range of light levels.人眼是适应性很强的光学传感器，能适应强弱不同的各种亮度。剑桥国际Many TV and telephone signals are now distributed through optical fibres.现在许多电视和电话信号是通过光学纤维散布出去的。剑桥国际One cannot learn a language well merely by learning its grammatical rules. 光学文法规则是学不好语言的。译典通Telescopes and microscopes are visual instruments. 望远镜和显微镜是光学仪器。译典通Their pilots are guided by an infrared optical system that shows images clearly even at night.他们的飞行员由甚至在夜晚也清楚地显示图像的红外光学系统导航。剑桥国际 |
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