These are simple microscopes, consisting of one lens only and intended mainly for dissecting work.
这是一台简单的显微镜；只有一个透镜，主要用于解剖工作。
While two lenses are illustrated in FIG. 4b, it should be understood that only one lens or additional lenses may be used.
虽然在图4b中示出了两个透镜，但应了解可只使用一个透镜或附加的透镜。
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。
The optical system includes at least one lens element, which outputs the light in a collimated beam on the oscillating reflector regardless of an orientation of the oscillating reflector.
该光学系统包括至少一个透镜元件，其与振荡反射器的定向无关地以准直光束的形式将光输出在振荡反射器上。
They are slightly bent in the middle, with one lens coming loose from the plastic line that holds it to the frames. They aren't as pretty as the day I bought them, but they are more or less intact.
我戴上了眼镜，眼镜中间有点弯，一边的镜片有点松，不像刚买的时候那么漂亮，但是不管怎么说是完整的。
The contact lens is one of what they are researching on.
隐形眼镜是他们正在研究的东西之一。
One possibility was using your own star as an incredibly powerful lens to amplify light and radio signals.
一种可能性是，利用你自己的星体作为功能非常强大的透镜放大光线和无线电信号。
I slung one camera around my neck, put the other with the longer zoom lens in a backpack, and started pedaling.
我脖子上挂着一只照相机，把较长的变焦透镜放在一个背包里，并开始踩踏自行车。
It's exacerbated when you shoot through a plastic lens like the one on our fly.
这种感觉在你通过像我们的“飞翔”一样的塑料镜头去拍摄的时候更强烈。
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。
One limiting factor is the viewing Angle, which is comparable to using a camera lens: a telephoto lens has a narrower view than a wide-angle lens.
限制因素之一就是观察角度，这与使用照相机的情况类似：长焦镜头的视野比广角镜头的观察角度要窄得多。
It's one thing to condemn risky behavior through the dispassionate lens of imagination, and another altogether when your adrenaline's pumping amidst the heat of battle.
透过想象力的冷静镜头去谴责这些高危险行为是一回事，在战斗的狂热中肾上腺素激增又是另外一回事了。
One of the most helpful tips that an old pro photographer once gave me was to use my zoom lens as a compositional aid rather than a way to get close to my subject .
一个摄影老行家曾告诉我的很多有用建议之一便是用变焦镜头来辅助构图，而非走近我的拍摄体。
In one of the final stages of quality control, a technician projects a uniform pattern through the lens onto the wall.
在最后质量控制阶段，技师会透过镜头在墙上投射相同式样的光线。
If all these approaches are impractical, one could always resort to manual focus using distance markings on the lens.
如果这些方法都不奏效，你还可以利用镜头上的距离标示来手动对焦（以及合适的超焦距）。
We haven't been able to find out who the customer was—or whether anyone else has ordered this lens—but the lens features Arabic lettering and an emblem of the State of Qatar, one of the Arab emirates.
我们没能找到这个客户到底是谁，也没能找到谁曾经订购过这枚镜头，但是该镜头上刻有阿拉伯文字和卡塔尔的标志。
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。
So if I had a spare moment, I would hold the applique in front of the camera, at one corner, and shoot a couple of frames with a 24-millimeter lens, showing the ducky in its latest context.
因此我一有空，就会在一个角落里拿出这个小鸭贴花，将它举起在镜头前，以20毫米的镜头喀嚓拍两张，让小鸭出现在照片中的最前面。
To beam power from a Dyson-Harrop satellite to Earth, one "would require stupendously huge optics, such as a virtually perfect lens between maybe 10 to 100 kilometres across," he says.
为了将能量从Dyson-Harrop卫星送回地球“需要奇大无比的透镜，比如10公里到100公里范围的完美透镜。”
When the sun's rays passed through a lens in one of the walls, Leonardo's 3D model would have been projected on to the material, creating a permanent image.
当阳光穿过墙上的一个透镜头时，达·芬奇的三维头像就会被投射在织物上面，制成一个永久性的头像面容。
But focusing on close objects involves contraction of muscles controlling the shape of the eye's lens. And one possibility is that "this constant contraction may stretch the eyeball.
目前没有研究显示为什么大量阅读会导致这一结果，但是由于长时间聚焦近处的物体需要眼部肌肉持续收缩以保证视网膜保持需要的形状，因此这种眼肌的持续收缩状态可能会使眼球受到拉伸，长期如此，其原有形状可能会被永久地改变，从而导致近视产生。
Large, dense cataracts present from birth in the middle of the lens that affect only one eye are more likely to cause permanent vision loss.
若白内障较大而致密，且位于一侧眼球的晶体正中，这种情况更容易造成永久性的视力丧失。
When a sound wave strikes the spheres at one end of the acoustic lens, the sound gets converted into a type of shock wave known as a solitary wave.
当把声波打击在声透镜一端的球体上时，声波就会转换成称为孤波的某种类型的冲击波。
The lens has a small motor in it that starts at one side and revolves 120 degrees to capture a cinematic view of what I was seeing.
镜头配有一个小马达，它能旋转120度角，以电影视角抓拍我看到的一切。
One way to get the best of both worlds is to use GRDDL, a system for viewing XML through an RDF lens.
集两者之大成的方法之一就是使用GRDDL，一种通过RDF 的视角查看XML的系统。
They've looked at the problem through the lens of their one and only business: advertising.
他们通过自己唯一的业务-广告-来审视这个问题。
The lens sits at one end while, and at the other, there is an LCD touch-screen display.
矩形一边是一组镜头，另一边则是一个液晶触摸屏。
If you have a subject with long and thin fingers a pose like the one above will allow you to use the thumb or index finger closer to the camera lens.
如果你的模特手指细长，你也可以像上图一样，让拇指或者食指最靠近镜头。
If you have a subject with long and thin fingers a pose like the one above will allow you to use the thumb or index finger closer to the camera lens.
如果你的模特手指细长，你也可以像上图一样，让拇指或者食指最靠近镜头。
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