He took off his spectacles and rubbed frantically at the lens.
他摘下眼镜慌乱地擦镜片。
The new lens, which is thinner at the bottom than at the top, steers light to a viewer's eyes by switching light-emitting diodes along its bottom edge on and off.
这个新镜头，底部比顶部更薄，通过切换镜头底部边缘的发光二极管的开和关，控制进入到观众的眼睛的光线。
To top it off, the lens is quite beautiful in design.
此外，这支镜头的设计相当不错。
I was replacing a camera with a glued on lens piece that had fallen off when one of my kids played with it.
只是当我的孩子玩耍相机后，用胶水把破碎的镜头粘好。
On the fourth day, everything fell together. The gorgeous sunrise, wind direction, and snow geese all took off right in front of my lens.
在第4天，一切事物都齐全了：日出、风向和雪雁都出现在我的镜头前。
But such applications are still a ways off, she said, as the acoustic lens has not yet been tested on cells or living animals.
但是，这种应用还需要一段时间，她说，因为声透镜尚未对细胞或活着的动物做过测试。
When you mount a lens (whether the camera is on or off), the camera interrogates the lens for its characteristics, including maximum aperture, which one of the focusing parameters.
装上镜头后(不论相机是开着还是关闭的)，相机便会获知镜头特征，包括最大光圈，哪一组对焦参数等。
There are many, many different lenses available, but Gampat recommends that first-time DSLR owners start off with a simple 50mm prime lens .
市面上有种类繁多的镜头，但Gampat推荐首次购买单反的摄友从简单的50mm定焦镜头入手。
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。
He took off his glasses, this reporter noticed, this lens grayish black, wear to the feeling, more than sunglasses black.
他摘下眼镜，这时记者才留意到，这种眼镜的镜片呈灰黑色，戴上去的感觉，比墨镜更黑。
Suddenly one day, a street shoot-off in the hands of the lens accidentally captured me, the crowd around me and become a hero of the background plate.
忽然有一天，一个街头拍客手中的镜头无意间捕捉到了我，我和身边人群成为了某个主人公的背景板。
We would turn off globes we didn't see to increase the contrast, and we could dim them down if they were too bright or were flaring the lens.
我们会关掉那些看不见的灯泡来增加画面对比度，如果他们太亮了或者产生眩光了，我们也能把它们调暗。
Pry off the lens, or as in my case, just turn the light over and it will fall off.
窥探了镜头，或在我的情况下，只是把光明战胜它掉下来。
Hydrophobic coatings seal lens surfaces with an ultra-smooth polymer, making it easy to clean the eyeglass lenses from dirt, water or oily contamination can simply be wiped off.
加硬防水膜在镜片表面封上一层非常致密平滑的聚合物，使得镜片表面灰尘、水及油污清洁异常方便。
In detail, the optical receiving system is mainly composed of optical receiving lens, modulating disk, cut off filter, focusing lens and pyroelectric detector.
其中，光学接收系统主要包括光学接收镜头、调制盘、截止滤光片、窄带干涉滤光片、聚焦透镜及光电转换系统等；
First off there is a quick introduction to de-lensing the plates, and getting them tracked, including a workflow for re-applying the lens distortion.
首先有一个快速入门的透镜板，并让他们跟踪，包括重新将镜头畸变的工作流。
One of these may be a zoom lens, which can focus off object far or near.
镜头之一为变焦镜头，可以拍近也可拍远。
Remember to take off the lens hood before you take a photo.
拍照前要记住先取下遮光罩。
As he reaches the crest of the peak, he unrolls his map, wipes off the lens of his compass, and sees two sets of numbers hanging in the air - wildly fluctuating - as he moves his finger over the map.
他到达了峰顶，打开地图，擦拭他罗盘的表面玻璃，然后看到两串数字悬在半空，在疯狂抖动，因为这时他的手指正在地图上移动。
Cut off the pictures of the dead. Set them up again in my lens.
将已经故去的人的照片剪下，再次树立在我的镜头里。
That said, having it so far off the lens axis means it doesn't wash things out too much.
尽管如此，有过镜头轴心迄今意味着它不洗的东西太多了。
The design results show that on-axis and off-axis aberrations of the designed laser scanning lens are almost equal, and the image quality achieves the diffraction limit.
像质评价分析结果表明，所设计的镜头像质优良，轴上与轴外质量相当，像质达到衍射极限。
The cylindrical LC lens array uses transparent indium tin oxide (ITO) films as electrode, avoiding to affect the optical path operating in the voltage-off status.
该液晶柱透镜采用透明ITO膜作为导电极，使得该柱透镜在未加电状态下不会影响光路的正常使用。
The cylindrical LC lens array uses transparent indium tin oxide (ITO) films as electrode, avoiding to affect the optical path operating in the voltage-off status.
该液晶柱透镜采用透明ITO膜作为导电极，使得该柱透镜在未加电状态下不会影响光路的正常使用。
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