If you focus the sun's rays on dry wood with a burning-glass, it will start burning.
如果你用取火镜使太阳光线聚焦在干木头上，木头就会燃烧起来。
The Ivanpah project USES mirrors called heliostats to focus the rays of the sun onto a solar receiver on top of a tower.
艾文帕项目使用一种叫定日镜的镜子来把太阳的光线集中到位于塔顶的太阳能接收器上。
After the procedure, your cornea should bend (refract) light rays to focus more precisely on your retina rather than at some point beyond or short of your retina.
完成手术程序后的角膜可以使光线更精确的发生折射，形成的焦点位于视网膜上，而不是超过或者达不到视网膜。
Another technique USES moveable mirrors to focus the sun's rays on a collector tower, where a receiver sits. Molten salt flowing through the receiver is heated to run a generator.
另一种技术使用可移动的镜面将太阳光线聚焦到采集塔，采集塔上的接收器中含有流动的熔盐，熔盐加热后驱动发电机运转。
When you are short-sighted, your eyes focus well only on close objects, while more distant objects appear blurred. This is because light rays focus in front of the retina.
近视是指一个人对近距离的物体比较容易看清而远处的物体看不清楚的现象，它的产生是由于光线的聚焦点落在了视网膜之前。
The device, reported in the journal Science, uses a standard parabolic mirror to focus the sun's rays into a reaction chamber where the cerium oxide catalyst breaks down water and carbon dioxide.
这种在《科学》杂志里所报道的装置使用一个标准的抛物柱面镜把阳光搜集进一个反应室。在这个反应室里，铈氧化物催化剂可以分解水和二氧化碳。
Spherical Aberration — causes light rays passing through a lens (or reflected from a mirror) at different distances from the optical center to come to focus at different points on the axis.
球差-使以不同孔径角穿过透镜(或从镜面上发射)的光线不能聚焦在轴上的同一点。
Just as you steady a magnifying glass on a single object, with the hot burning sun rays analogous to your desire, focus, power, energy, time, etc, you will make an impact.
仅仅是你坚定地拿着放大镜聚集在单个物体上，炙热的太阳光比作你的期望，聚集，力量，精力，时间等等。你会带来冲击。
But X-ray imaging has its own problems, with X-rays difficult to focus or manipulate even with corrective lenses.
但是X光射线图像本身也有自己的问题，比如X光射线难于聚焦，甚至在使用矫正透镜的情况下也难于控制。
A steady drumbeat of dire unemployment headlines is unlikely to boost any job seeker's morale, so try to focus on the (admittedly few) rays of hope amid the gloom.
媒体一贯热衷于大肆炒作失业状况，这些自然无法鼓舞求职者的士气。所以求职者要努力在黑暗中看到希望的光芒(不可否认，机会确实很少)。
If I focus the rays of sun with a burning glass, even in the coldest days of winter, I can kindle a fire with ease.
如果我用取火镜聚集太阳光，即使在最寒冷的冬天，我也可以轻松燃起火来。
Spherical Aberration -- causes light rays passing through a lens (or reflected from a mirror) at different distances from the optical center to come to focus at different points on the axis.
球差-使以不同孔径角穿过透镜（或从镜面上发射）的光线不能聚焦在轴上的同一点。
The quantity and the speed of creating image of the industrial CT closely relate to the accelerator's focus, the highest X-ray energy, X rays dose and dose uniformity.
加速器电子束的焦点、X射线的最高能量、X射线剂量及均匀性与工业CT成像的质量和速度密切相关；
CSP systems capture and focus the sun's rays, using mirrors, to heat a working fluid to high temperatures and use it to drive a turbine.
CSP系统通过镜面收集和聚焦阳光束，以光来高温加热液体，再用液体驱动汽轮机。
Its starting point and its working hypothesis are embodied in the conviction that the varied and seemingly dispersed rays may be gathered together and brought into a common focus.
其出发点和理论假设具体表现为这样的信念各种各样的、表面上分散的光线可以收集在—起，并且形成—个共同的焦点。
Thermosolar plants focus the sun's rays to make steam to drive a generator, while PV panels directly convert sunlight to electricity.
光热发电站是将太阳光集中产生蒸汽带动发电机，而光伏发电直接讲阳光转化为电能。
Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus.
把你所有的思绪集中在手上的工作，就像太阳光需要聚焦后才会燃烧。
If you take a magnifying glass outside into the sunshine you can focus the sun's rays on a tiny little point and actually start a fire.
如果你把一块放大镜带到太阳底下，可以把阳光聚集到很小的一点，点燃火焰。
Fresnel's plate can focus incident rays producing very strong brightness the function of which resembles lens forming images.
菲涅耳波带片可使入射光会聚起来，产生极大的光强，使点光源形成一系列的实像点和虚像点，其作用如同透镜成像。
The local large fluctuation observed in the final phase space of cosmic rays experiment and high energy collisions cause intermittency and fractal to be the focus.
间歇和分形现象是由在宇宙线实验和高能碰撞中末态粒子相空间中的局域大起伏而引起人们关注的。
The paper focuses on the research of some key medical image processing technologies in chest X-rays, including chest Radiography images enhancement, segmentation and focus recognition of lung.
本文主要研究了医学X光胸片中的几个关键图像处理技术，主要包括X光胸片图像增强、分割和肺部病灶识别。
The light rays will focus either in front of or behind the retina, resulting in "refractive errors" such as nearsightedness, farsightedness and astigmatism.
在光线的重点不是在前面或后面的视网膜，在“屈光不正，如近视，远视和散光”造成的。
Using the infrared diffractive lens with such a configuration makes it possible to focus infrared rays within a wide range of wavelength band effectively.
通过使用该结构的红外线衍射透镜，可以高效地对宽范围的波段的红外线进行聚光。
Using the infrared diffractive lens with such a configuration makes it possible to focus infrared rays within a wide range of wavelength band effectively.
通过使用该结构的红外线衍射透镜，可以高效地对宽范围的波段的红外线进行聚光。
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