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

属类：综合句库--

The advent of computerized lens design requires a certain shift in emphasisDDthere is little need to do what a computer can do better

透镜设计的计算化的兴起,要求我们对内容的重点作一些变动――计算机能够做得更好的那些东西,就不需要我们去做了。

属类：综合句库--

A lens converges light rays.

透镜使光线聚于一点

属类：综合句库--

Some of the advantages of lens stereoscopes are compactness, simplicity and ready portability

透镜式立体镜的一些优点是坚固、简单、轻便。

属类：综合句库--

Lens stereoscopes are practical for field use or for observing magnified details

透镜式立体镜适合于野外使用或者观察放大的细节。

属类：综合句库--

The lens telescope, or refractor, was vastly improved when it became possible to manufacture high-quality lenses made from flint glass

透镜望远镜,或称折射望远镜,在人们能够制造出高质量的火石玻璃透镜以后得到了很大的改进。

属类：综合句库--

A convex lens is used to concentrate rays of light.

凸透镜用于聚集光线。

属类：综合句库--

My lens is surrounded by a ring of ting, superbly strong, unbelievably hard-working muscles

我的晶体周围有一圈特别强壮,且令人难以置信的勤奋工作着的小肌肉。

属类：综合句库--

It seems necessary that the company be called upon to repair or replace the defective lens before the bill is paid. Please let me know your decision and give me further instructions.

我看必须请该公司派人来修理或换掉,然后再付款。请赐告您的决定,并请给予指示为盼。

属类：应用文体--

We introduce a negative lens which will diverge the rays a bit

我们用一块负透镜,它将使光线发散一些。

属类：综合句库--

The lens through which we view the image is called the eyepiece lens

我们用于观察像的透镜称为目镜。

属类：综合句库--

I prefer a built-in zoom lens , like the one I have.

我喜欢如我所有的那种固定式变焦镜头。

属类：综合句库--

I need a better lens .

我需要个好一点的镜头。

属类：综合句库--

I've got a single-lens reflex.

我有一架单镜头反射式照相机。

属类：综合句库--

I've got a twin-lens reflex camera.

我有一架双镜头反射式照相机。

属类：综合句库--

A leguminous plant(Lens culinaris)native to southwest Asia,having flat pods containing lens-shaped,edible seeds.

小扁豆,兵豆一种豆科植物(兵豆兵豆属),原产于亚洲西南地区,长有扁平的豆荚,内含可食用的透镜形种子

属类：综合句库--

The automatic adjustment in the focal length of the lens of the eye to permit retinal focus of images of objects at varying distances.

眼调节眼睛瞳孔对焦距的自动调节,以获得不同距离的物体在视网膜上的成像

属类：综合句库--

lens ,spectacles of glass,not optically worked

眼科透镜,未装配的,玻璃制,经光学加工

属类：物品名称-光学产品-

unmounted ophthalmic lens of any material other than glass,optically worked

眼科透镜,未装配的,除玻璃外的任何材料制,经光学加工的

属类：物品名称-光学产品-

To remove the lens , press the lens release button, then turn the lens in the direction shown by the arrow. For best results, use Ricoh lenses only.

要卸下镜头,请按下镜头释放按钮,然后按箭头方向转动镜头。为得到最好的拍摄效果,请只使用理光镜头。

属类：产品说明书-照相机说明-

Cloths and canopies may be used to soften sunlight. Indoors, frosted glass, gelatin, silk, or gauze may be placed over the lamps or the cameras lens to modify harsh light or alter tones. Lens filters are used for the same purpose.

也可用衣物或遮阳伞来减低阳光的强度。在室内,我们可以在灯或镜头上罩上毛玻璃,滤色片,绸子或纱巾等等,以达到调和光线或改变色调的目的。还可使用滤色镜以达到同样效果。

属类：社会文化-表演艺术-电影

One highly successful approach utilizes a triplet aspheric lens array

一种很成功的方法是利用一个三合非球面透镜阵列。

属类：综合句库--

an image is exposed on film by means of the light passing through the camera's lens . How the image, appears on film depends on how the subject is illuminated. Light brings out contours, creates depth and mood, and gives dramatic effect.

影像是利用进入摄影机镜头的光线而在胶片上曝光的。物体以什么样子出现在胶片上取决于对该物体的照明。光能产生出轮廓,创造景深及基调,营造出戏剧性的效果。

属类：社会文化-表演艺术-电影

I appraised the light, adjusted the lens setting and distance, locked a bulb in the flashgun, raised the camera and composed the scene in the viewfinder

于是,我对好光,调好焦距,又安了一个闪光灯泡,然后举起像机,将这一场面在取景器中定格。

属类：综合句库--

Having one section that corrects for distant vision,a second section that corrects for medium vision,and a third that corrects for near vision,as an eyeglass lens .

远中近三用的具有分别校正近距离视觉、中距离视觉和远距离视觉的三个部件的,如目镜透镜

属类：综合句库--

In optics, the maximum number of equal width black and white lines per millimeter discernible in the image of an optical system, e. g.a lens

在光学技术中,在一个光学系统(如透镜)中所形成的图像内每毫米能够形成的可分辨等宽黑白线的最多线数。

属类：综合句库--

In film emulsion,an area exposed in some way other than directly through the lens ,such as internal reflections between the various surfaces of the lens component.

在胶片感光乳剂中,不是直接经过透镜的某种方法曝光的区域,例如透镜组成部分各表面间的内部反射。

属类：综合句库--

In the diagram, the outer portions of the projecting lens serve no useful purpose

在图上,放映透镜较外侧部分未能加以利用。

属类：综合句库--

Used to control access to nuclear weapons, retina identification has never caught on with the public because it requires the user to put their eyeball right up against a lens

曾被用来管制核子武器的操控权,但是它始终未能风行,因为使用者得把眼球凑到透镜上。

属类：综合句库--

objective lens for cameras,projectors or photographic enlargers or reducers

照相机、放映机或照片扩大或缩小机物镜

属类：物品名称-光学产品-