It has a lens system to focus light onto the film at the back of the camera.
它的镜片系统可以将光线聚焦到相机后部的胶片上。
This happens when the back of the lens capsule - the part of the lens that wasn't removed during surgery and that now supports the lens implant - becomes cloudy and impairs your vision.
它的发生是由于晶状体囊的后部——在手术当中为了用于支撑人工晶体而未被摘除的晶状体部分——变得浑浊，从而损害您的视力。
Every few installments, I'll pull the lens back a bit to capture some aspect in the landscape of such sites.
在随后的每一期中，我都将镜头稍作后移，以捕获这些站点背后的一些方面。
A cataract is a painless, cloudy area in the lens of the eye that blocks the passage of light to the retina, the nerve layer at the back of the eye, usually causing vision problems.
白内障是指眼内晶状体的无痛性浑浊阻碍了光线到达视网膜(眼球后部的神经层)，从而引起视力问题。
(Injecting water back returns the detector to a flat surface.) Injecting water into the chamber of the lens makes the thin membrane become a convex hemisphere.
(给舱室注射水使检测器表面回复平坦)注射水进入透镜舱室使得薄膜变成凹半球。
A disc problem in the back, more heart trouble, a lens implant for catarcts.
背部椎间盘劳损，心脏病越发严重，眼睛因为白内障做了眼球晶体移植手术。
A disc problem in the back, more heart trouble, a lens implant for cataracts.
背部椎间盘问题，心脏问题，白内障晶体移植。
However, after the shock subsides and the person is able to look back through the lens of time, I believe that, in hindsight, that surprise factor will lessen.
然而，一旦相关人感到震撼的情绪平静下来，能够回顾事情经过之后，我相信，以我的后知之明，那种惊诧感会变弱的。
The design of the contact lens can be traced back to Leonardo da Vinci who, with a bowl of water, kicked off the whole cringe-worthy history.
隐形眼镜的设计最早可以追溯到达·芬奇。
It loads the film, has a zoom lens with autofocus, autoflash, and winds the film back when finished.
给它装上胶卷，使用带自动调焦、自动闪光的变焦镜头，然后，当操作完毕时，回转胶卷。
An irregular shaped cornea or lens prevents light from focusing properly on the retina, the light sensitive surface at the back of the eye.
形状不规则的角膜或晶状体会使光线无法在视网膜——眼球背面的感光膜上准确地聚焦。
"[S]ome photographers sit in the back of the church and use a long lens to capture the ceremony. Make sure you're not blocking their shot! " she writes.
费希尔写道：“有些摄影师会坐在教堂靠后的位置，通过长镜头记录整个宴会现场。你需要确保你没有闯进他们的镜头！”
Via lens, pen and computer, they captured the magic of this major sporting event and sent it back to their respective countries and regions.
他们借助镜头、文笔和电脑捕捉纪录这次盛大的运动会并发送给各自的国家和地区。
Also, some photographers sit in the back of the church and use a long lens to capture the ceremony. Make sure you're not blocking their shot!
同时，有些摄影师会坐在教堂后排，用长镜头拍摄。注意不要挡住他们的镜头！
The lens focuses light rays on the retina - the layer of light-sensing cells lining the back of the eye - to produce a sharp image.
晶状体将光线聚焦于视网膜(排列在眼底的一层光敏细胞)来产生清晰的视觉影像。
Better, in my view, to draw back the lens and look at the contribution of financial executives to their businesses more widely than remain fixated on the ambit of their pay in isolation.
在我看来，我们最好还是撤回镜头，从更广的范围看看这些金融高管对他们公司的贡献，而不是孤立地揪住他们的薪酬不放。
Some potential targets fight back with a simple countermeasure: a sticker or a patch of masking tape over the camera lens.
一些潜在目标会用一项简单的对策进行反击：用贴纸或胶带把镜头盖住。
Ten minutes later I had the sinking feeling that I had forgotten to remove the lens cap. It was now too late to go back.
十分钟后，我感到万念俱休，因为我觉得自己忘了摘掉镜头盖，现在再赶回去也来不及了。
I used two back plates to cover both sides of the great hall and as I wrote above the lens information was missing from these images so I tried each usual lens. This led me to this.
正如我上面所写的，这些照片的镜头信息没有，所以我尝试了每一个常见的镜头，之后我得到了这个效果。
The adverse projection measuring method reverse the position of object and image in the imaging system of lens, it overcome back focus length and resolution power limitation.
逆投影法颠倒镜头成像系统物和像的位置，克服了手机镜头后焦、像素等的限制。
Accessories: a remote control, a power cord, a user manual, a lens paper, a product certification, a signal line, a back-up insurance control.
配件：遥控器一个、电源线一条、用户手册一本、镜头纸一本、产品合格证一张、信号线一条、备用保险管一只。
Objective: To analyze the aberration properties of contact lens and its central back vertex power measurement.
目的：探讨接触镜的球差特征以及后顶焦距测量的实质。
The curvature of the cornea and lens causes light entering the eye to be bent in order to focus it precisely on the retina at the back of the eye.
角膜和晶状体的曲率决定了进入眼球的光线能否准确聚焦到视网膜上。
With the focusing lens and the medium pool replacing the back mirror, auto cavity-forming and laser output are realized.
用聚焦透镜和介质池取代激光器的后镜，可自动成腔输出激光。
With the focusing lens and the medium pool replacing the back mirror, auto cavity-forming and laser output are realized.
用聚焦透镜和介质池取代激光器的后镜，可自动成腔输出激光。
应用推荐