In this method, when one star passes in front of another, as seen from Earth, the nearer star's gravity ACTS like a lens, bending and magnifying the more distant star's light.
当天文学家用这种方法从地球上观测到一颗恒星在另一颗恒星前“走过”时，距地球较近的这颗恒星的重力就如同一个镜头，将较远的那颗恒星的光弯曲并放大。
Now a new design gives this curved camera a boost: the shape of the lens and of its sensor can be changed in synchrony, providing a 3.5x zoom.
如今，一种新的设计再次提升了这种曲面摄像头的性能：通过改变镜头和传感器的形状带来3.5倍的光学变焦。
A "gravitational lens" of this type could be powerful enough to map the continents and oceans of a planet in a distant star system.
这种“引力透镜”足以有力地描绘一个遥远星系中某个星球的大陆和海洋。
The image in this article has been cropped and enhanced to improve contrast. Lens artifacts have been removed.
文章中的图片已经过了裁剪和强调以增加对比度，镜片处理工具已被移除。
So this is very, very low-cost to buy, and actually, the objective lens in the microscope, the very powerful lens we use to image the atoms, is also from a CD player.
购买的成本是非常，非常低的，而实际上，显微镜上的物镜，我们用来观看原子图像的非常强大的镜头，也都从CD播放机拆下来的。
This is an all-in-one lens removal and replacement kit, looking rather like a robot, that is designed to treat people whose natural lenses are going cloudy, thus making them blind.
这是一个一体化的晶体移除和替换设备，看起来很像一个机器人，它被设计用来治疗那些天然晶体正在变混浊而导致失明的人们。
I hope that this lens will encourage thought about this issue, give parents some support in making the decisions and provide information to make this a safe, inexpensive and happy experience.
我希望这一镜头会鼓励对这一话题的更多想法，支持父母做出决定，提供信息来使之成为一种安全，价格低廉，快乐的经历。
It is possible that cleaning the lens regularly could reduce this problem, but it is unclear what effect lens-cleaning fluid would have on its built-in electronics.
定期清洗镜片或许能减少这样的问题产生。不过，镜片清洗液会对内嵌的电子设备造成什么影响还不好说。
Yet this story, told in flashback form, and in part through the lens of her teenage nephew, is laced with exhilarating songs, childlike though never childish comedy, and oddsome visual details.
然而正是这样的一部以回叙方式、一部分通过她的侄子的视角来展示的故事，交织着的却是欢快的音乐和古怪的视觉细节，一部孩子般天真烂漫却绝非幼稚浅薄的喜剧片。
This lens assumes that consciousness is the container in which objective reality occurs.
这一视角主张客观现实产生于意识。
No one had ever made a lens in this way before.
没有人以往任何时候都作出了镜头，在这之前的方式。
In this case, the ability of a lens to collect as completely as possible the light signals from the sources and therefore give a higher resolution is readily pursued.
在这种情况下，镜头需要有能力尽可能多的收集光源的信号(更大的光通量)，从而可以得到一个更高的分辨率。
The downside to this display screen is that it's to the left of the camera's lens, so if you're taking a close-up shot of someone, they will appear in the photo like they're glancing away slightly.
这个显示屏不好的地方是，它位于相机镜头左侧，因此如果你近距离给某人拍照，他们在照片里就会显得好像看着别的地方。
In this traitor world, there is no truth or lie, everything depends on the lens with which one looks.
在这个背叛的世界里，没有真实和谎言，一切都根据一个人用哪个眼镜去看。
This is the distance (usually in mm.) from the lens (or primary mirror) to the point where the telescope is in focus (focal point).
就是从透镜(或者主反射镜)到焦点的距离，通常单位是毫米(mm)。
This lens will let visitor to the rocket's engine room look up and see a distorted view of people in the room above.
这个镜头将让游客在火箭发动机室抬头看到楼上的房间的人扭曲的看法。
This makes a larger incision into the eye and removes the lens in one piece.
这使得较大的切口进入眼睛和删除镜头，在一块。
If you are on the road and trying to get your projector set up in a hurry, this removes any doubt about the current position of the zoom lens, which can save you a few seconds.
如果你是出差使用并且想很快就把投影机架起来演示的话，关闭此功能可以无视镜头的变焦位置，从而可以节省一点时间。
Lens centre: This specifies the centre of lens distortion, measured in pixels.
透镜中心：这指定的是透镜畸变中心，单位为像素。
In this paper, a technology of implementation of the multichannel fractional Fourier transform (FRT) is proposed using holographic lens array.
提出利用全息透镜阵列来实现多通道分数傅里叶变换技术。
In this paper, a technology of implementation of the multichannel fractional Fourier transform (FRT) is proposed using holographic lens array.
提出利用全息透镜阵列来实现多通道分数傅里叶变换技术。
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