This introductory tutorial discusses the most basic scenario: portraits with one light source.
这种介绍性的教程将重点讨论最基本的情景：肖像一光源。
Change normal lights into energy-save ones and leave no more than one light open when you leave home.
把普通的灯具换成节能灯，当你离开家时，记得把所有的灯都关了。
Change electric wares into energy efficient ones and leave no more than one light open when you leave home.
把家用电器换成节能型的，出门时最多留一盏灯开着。
The one light reflects out of the darkness in one hundred pairs of eyes, all of them focused on me, waiting.
唯一的灯光映射出上百双眼睛的黑暗，所有黑暗都聚焦在我身上，等待着。
Change electric wares into energy efficient ones and leave no more than one light open when you leave home.
使用节能型电器，不在家时顶多开一支灯照明。
I remember the one light bulb in the classroom that hung from a long cord attached precariously to the ceiling.
我记得，教室里只有一盏灯，圆形的灯泡被一根长长的绳子牵着，晃晃悠悠地连在天花板上。
It is recommended that you use at least one light source, because it would be hard to perceive depth without lights.
推荐使用最少的一束光源，因为没有光线察觉深度是很难做到的。
Change electric ware nots into energy efficient ones and leave no abundance than one light open when you leave habitat.
把家用电器换成节能型的，出门时最多留一盏灯开着。
It combines multiple functions in one light, compact object, eliminating clutter and stealing the scene no matter where you place it.
它结合了一盏灯，紧凑型对象的多个功能，消除杂波及偷窃现场无论你在哪里的地方。
The paper simulates the whole process of one light hydrocarbon recovery pant and gives out the main simulation process and simulation results.
对某轻烃回收装置进行了全流程模拟计算，给出了模拟计算的主要过程及模拟的全部结果。
Then she and her daughter took it home. Gail put it in her bedroom, out of the kids' reach-one light touch and the message might vanish forever.
盖尔把画板带回了家，她把画板放在自己的卧室，放在孩子够不着的地方，因为一次轻轻的触碰都可能使上面的字迹永远消失。
Lighting jewelry is done one light at a time, and one facet or surface at a time. Some pieces can require up to a dozen lights and reflecting CARDS.
拍摄首饰用光时必须一灯一调，对首饰切割面和表面的光线也要做到一面一调。
The City of Ten Thousand Buddhas doesn't have just one light. Every Buddha emits light, and all those lights merge into one without cancelling or obstructing one another.
所以万佛圣城不是只有一道光，而是佛佛都放出光明，光光合而为一，互不侵犯，互不障碍。
The Oort cloud is a vast belt of dust and ice that is believed to lie around one light year from the Sun and is the origin of many of the comets that pass through our solar system.
奥尔特云是一个由粉尘和冰组成的庞大云带，据信它距离太阳约一光年，许多穿越我们太阳系的彗星都来自那里。
Thee Oort cloud is a vast belt of dust and ice that is believed to lie around one light year from the Sun and is the origin of many of the comets that pass through our solar system.
奥尔特云是一个由粉尘和冰组成的庞大云带，据信它距离太阳约一光年，许多穿越我们太阳系的彗星都来自那里。
Do you know what a light year is? Nothing in the world travels faster than light. It travels 300,000 kilometers a second. One light year is the distance that light travels in one year.
你知道一光年是什么吗？没有在世界中旅行比光快的速度。它旅行每秒300,000公里。一光年是距离光在一年内旅行。
Another belief involving the number three has it that it is unlucky to light three cigarettes from the one match.
另一种与数字3有关的信仰认为，用一根火柴点燃三根香烟是不吉利的。
Let's think beyond light pollution; that's only one kind of a technological advance that has interfered with astronomical research.
让我们想想光污染以外的问题，那只是一种科技进步为天文研究带来的不便。
This fascinating experiment showed that plants not only detect and react to specific wavelengths of light, plants can also detect and react to changes in the ratio of one wavelength to another.
这个有趣的实验表明，植物不仅能探测和对特定波长的光产生反应，还能探测不同波长比率的变化并对其做出反应。
One source of error is refraction, the bending of light beams as they pass through air layers of different temperature and pressure.
误差的一个来源是折射，即光束通过不同温度和压力的空气层时发生的弯曲现象。
A color or pattern that is relatively indistinct in one kind of light may be quite conspicuous in another.
在某种光照下相对较难辨认的颜色或式样，在另外一种光照下也许相当显眼。
In one study, light smokers were found to be more than twice as likely to get cataracts as non-smokers.
一项研究表明，轻度烟民患白内障的比例是不吸烟者的两倍以上。
The light, about one thousandth of the amount needed to read by, is just a start.
光线，大约是阅读所需数量的千分之一，仅仅是一个开始。
For example, one train mistook a bright star for a white light and something unexpected happened.
例如，一列火车把一颗明亮的星星误认为白光，然后发生了意想不到的事情。
Most antennas are made in the shape of a dish to collect and reflect the radio waves to the sub reflector, in the same way as a curved mirror focuses visible light to one point.
大多数天线被制成碟形，用以收集和反射无线电波至亚反射器，就像曲面镜将可见光聚焦于一点一样。
Most antennas are made in the shape of a dish to collect and reflect the radio waves to the sub reflector, in the same way as a curved mirror focuses visible light to one point.
大多数天线被制成碟形，用以收集和反射无线电波至亚反射器，就像曲面镜将可见光聚焦于一点一样。
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