Fireflies emit light but not heat.
萤火虫发光但不放出热。
Another approach is to use materials that emit light.
另外一个途径是利用能发光的物质。
They spontaneously emit light to return to a lower level.
接著它们会自发性地放光而回到较低的能阶。
They emit light which is biased towards the blue end of the spectrum.
它们发射的光偏向色谱的蓝色端。
Since they emit light directly, OLED displays do not need a backlight.
由于也是自身发光，OLED显示器可以不用背光灯。
Stars emit light which contains only certain characteristic wavelengths.
恒星发出的光只含有特定的波长。
One day soon, Windows that are transparent by day may emit light by night.
不久的某一天，白天透明的窗户会在晚上发光。
Young people in the eyes of the burning flame, the elderly eyes emit light.
青年人的眼睛里燃烧着火焰，老年人的眼睛里放射出光芒。——韦尔连。
This means that the excited atoms only emit light of certain specific energies.
这意味着激发原子只能发出某种特定能量的光。
They emit light and are then converted into oxyluciferin, which cannot produce light.
荧光素发光后转化成氧化荧光素，而后者不能发光。
This is a major achievement because, in relative terms, planets are very small and do not emit light.
这是一个重要的成就，因为相对来说，行星很小，而且也不发光。
They can emit light and musical sounds through their heads and they all live together in a large ball.
他们可以通过脑袋发出光或者乐音，并且他们一起住在一个大球里。
When electrons jump between these energy levels, they absorb and emit light of particular frequencies.
当这些能级中，发生电子跃迁时，这些电子便吸收并释放出不同特定频率的光。
The matrix of dots on a CRT screen (or TV set) that emit light when bombarded by an electron beam.
阴极射线管(crt)或电视(tv)屏幕上的点阵列，当电子束击中时会发光。
This is a major achievement because, in relative terms, planets are very small and do not emit light.
这是一个重要的成就，因为相对来说，行星体积小，而且不会发光。
This is a major achievement because, in relative terms, planets are very small and old not emit light.
这是一个重要的成就，因为相对来说，行星很小，而且也不发光。
Incandescents are also incredibly inefficient, using only 10 percent of their consumed electricity to emit light.
白炽灯泡的效率也是令人难以置信的低，只利用其电力消耗的10%来发光。
Such fusion reactions will give rise to a great deal of energy to enable the sun to continuously emit light and heat.
在高压和高温作用下，太阳从内至外不断地产生着聚变反应，这种聚变提供了大量的能量使太阳能不断地释放出光和热。
The atoms are excited by these collisions, and they typically emit light as they return to their original energy level.
原子被这些碰撞而激发，它们为了返回原来的能级，通常会发出光亮。
In the next long period of time, the sun brother have tried my best to emit light, but he did not hear the sound of children's reputation.
在接下来的好长一段时间里，太阳哥哥都用尽全力发射阳光，可是他却没有听到小朋友的称誉声了。
But as much as 20% could also be in more traditional things that don't emit light, such as black holes and clouds of gas that never became stars.
但是其中差不多20%也可能是不发光的传统物质，如黑洞和不可能形成恒星的气体。
We're excited to see if those glowing green accents will emit light or be visually passive... and we're looking forward to seeing the price tag as well.
如果亮绿色能够发光，或者有直接利用太阳能……我们将会非常高兴，我们也期待看到价格标签。
The light emitting diode can ensure that optical fields which emit light from the horizontal and the vertical directions are distributed differently.
该发光二极管可使得水平和垂直方向出光的光场分布不同。
The water exists as huge gaseous clouds that absorb and emit light, allowing powerful telescopes to detect them across the mind-boggling distances of space.
水以巨大的气态云团的形式存在，吸收并发出光线，让强大的望远镜可以穿过令人难以置信的空间距离检测到它们。
He thought, Why can not I catch a number of fireflies, put them in a white linen sewing bag it, maybe I can use fireflies emit light to read more books.
他想，我为什么不能捉许多萤火虫，把它们放在一个用白夏布缝制的袋子里呢，或许我就能利用萤火虫发出的光来翻阅更多的书籍。
A quantum-dot display would work by arranging quantum dots that emit red, green and blue light in a grid-like pattern, and getting those dots to emit light directly.
量子点显示技术的工作原理是，通过将散发红光、绿光与蓝光的量子点排列为网状图案，并让这些量子点直接发光。
An LCD does not emit light of its own. Rather, it consists of crystal molecules. Anelectric field causes the molecules to line up in a way that alters their optical properties.
液晶显示自己不发射光，相反，是由晶体分子组成，电场使得这些分子排成一行，在某种程度上改变着它们的光学特性。
An LCD does not emit light of its own. Rather, it consists of crystal molecules. An electric field causes the molecules to line up in a way that alters their optical properties.
液晶显示自己不发射光，相反，是由晶体分子组成，电场使得这些分子排成一行，在某种程度上改变着它们的光学特性。
An LCD does not emit light of its own. Rather, it consists of crystal molecules. An electric field causes the molecules to line up in a way that alters their optical properties.
液晶显示自己不发射光，相反，是由晶体分子组成，电场使得这些分子排成一行，在某种程度上改变着它们的光学特性。
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