opacity of the lens is readily visible, especially in advanced cases

晶状体的混浊易于识别,特别是在晚期病例。

属类：综合句库--

The ciliary body is an anterior dilation of the choroid at the level of the lens

晶状体是脉络膜石晶状体平面上向前扩大的部分。

属类：综合句库--

focus extension =lens extension

镜头对焦伸长度,亦称

属类：行业术语-摄影-

An optically formed duplicate,counterpart,or other representative reproduction of an object,especially an optical reproduction of an object formed by a lens or mirror.

镜像,映像物体由于光学原因形成的复制品、对应物或其它形式的代表物,尤指通过透镜或镜子而形成的视觉复制品

属类：综合句库--

Some adjustment of the lens may be necessary

可能有必要调节一下镜头

属类：综合句库--

A reliable machine shop can cut away a small amount of metal from the aft side of the mounting flange so that the lens will set closer to the film platen

可以请经验丰富的机械加工车间从安装凸缘的后部切削掉少量的金属,这样就能使透镜更加靠近胶片平面。

属类：综合句库--

lens covering a wide angle of field

宽视角透镜;广视角透镜

属类：科技术语--

Never forget to put on the lens hood after you use the camera.

每次照相机用完以后,千万不要忘记把遮光罩盖上。

属类：综合句库--

For each shot, the film maker plans, how far from the subject his camera will be, what kind of lens to use, and the viewpoint, or angle.

每拍一个镜头,拍片人要定好被拍摄物体距离摄影机的位置,用什么镜头及采用哪种拍摄角度。

属类：社会文化-表演艺术-电影

lens blank of moulded glass not optically worked,for corrective spectacles or optical instruments

模制玻璃透镜毛坯,未经光学加工,用于自顾不暇正实力眼镜或肖学仪器

属类：物品名称-光学产品-

You may use a zoom or telephoto lens on your camera.

你可以在照相机上安装可变距镜头或摄远镜头。

属类：综合句库--

You should screen the lens of your camera from direct sunlight.

你应该使相机镜头不直接受到阳光照射。

属类：综合句库--

You should screen the lens of your camera from direct sunlight

你应该使照相机的镜头不直接照射到阳光。

属类：综合句库--

Remember to take off the lens hood before you take a photo.

拍照前要记住先取下遮光罩。

属类：综合句库--

A light with a reflector and lens mounted on the front of a locomotive,an automobile,or another vehicle.

前灯一种安装在火车机车、汽车或其它车辆前部的配有反射镜和透镜的灯

属类：综合句库--

Take care not to expose the camera to sudden changes in temperature, as this may cause condensation on the lens , film, or inside the camera which may lead to the malfunction of the camera.

请勿将相机在温度有剧变的环境下打开,它将导致镜头、胶卷或相机内结露,从而引发故障。

属类：产品说明书-照相机说明-

The viewfinder eyepiece has a built-in –1 correction lens (suitable for normal vision).

取景器的目镜是一片-1的矫正镜片(适合大多数普通视力)。

属类：产品说明书-照相机说明-

The viewfinder image is crucial for accurate focusing of the lens , and therefore greatly influences image sharpness. Different photographic applications often require different focusing screens.

取景器图像对镜头精确对焦是非常重要的,它将影响图像的清晰度。拍摄不同用途的照片常常需要不同的对焦屏。

属类：产品说明书-照相机说明-

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

属类：综合句库--

If there is dirt on the lens or mirror surface, do not attempt to remove it with your fingers. Use a blower to blow the dust away, or wipe the surface gently with a camera lens tissue or a soft cloth.

如果镜头、镜子表面落上了灰尘,不要用手指去擦拭,请用相机镜头纸或柔软的镜头纸或柔软的布轻轻擦拭表面。

属类：产品说明书-照相机说明-

If available, place Morgan’s lens on patient and irrigate eye for 20 minutes with a 1% aqueous calcium gluconate** solution.[**1% solution=10cc calcium gluconate10% + 100cc normal saline]

如果有的话,把Morgan镜放在病人身上,用1%的葡萄糖酸钙水溶液冲洗眼睛20分钟。[**1%溶液=10毫升10%的葡萄糖酸钙+100毫升cc常用盐水]

属类：产品说明书-产品安全-

If the lens is to be removed from the camera for a certain period of time, use the camera body cap to abode dust and foreign particles from entering your camera.

如镜头要从相机上卸下,为避免灰尘或其它粒子进入您的相机内,请使用相机盖。

属类：产品说明书-照相机说明-

If a dioptric lens is fitted, you would not have to wear eyeglasses when taking picture. Slip the lens in the grove of the viewfinder eyepiece.

如装上屈光镜头,拍照时您不能再戴着眼睛拍照,请插入屈光镜片于目镜槽内。

属类：产品说明书-照相机说明-

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像

属类：综合句库--

Set to the desired lens aperture.

设置所需的镜头光圈。

属类：产品说明书-照相机说明-

Lift and tilt mechanisms on the camera mount add to the camera's freedom of movement. Several lenses mounted on a turret arrangement permit quick lens changes. One of these may be a zoom lens, which can focus off object far or near.

摄像机还可以利用装在脚架上的升降俯仰装置左右上下转动。几个不同的镜头装在透镜旋转台上,这样可以很快改换镜头。镜头之一为变焦镜头,可以拍近也可拍远。

属类：社会文化-表演类-电视

Having one section that corrects for distant vision and another that corrects for near vision,as an eyeglass lens .

双光的一个矫正远视而另一个矫正近视的,如眼镜

属类：综合句库--

The camera he's using now is a twin-lens reflex one.

他正在使用的是双镜头反光镜相机。

属类：综合句库--

It's like an image taken through a photographer's fish-eye lens

它就像是摄影家用鱼眼镜头拍摄的图像一样。

属类：综合句库--

Particularly, the sales of first album Life Thru A Lens were disappointing

特别是他的第一张专辑“透过镜头所看到的生活”的销量令人失望。

属类：综合句库--