Humanity has been trying to use the sun's light as a reliable source of energy for centuries.
几个世纪以来，人类一直试图利用太阳的光作为可靠的能源。
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。
It would seem sensible to seek the source of these in the universe's most conspicuous energy factories: quasars and gamma-ray bursts billions of light-years away from Earth.
在宇宙中最引人注目的能量工厂——距离地球数十亿光年的类星体和伽马射线爆发——中寻找这些物质的来源似乎是明智的。
The whole fixture must be replaced—light source and luminaire—and this is never an inexpensive proposition.
整个装置——光源和灯具——必须换掉，而这一提议绝不便宜。
If what they're saying is correct, which I believe it is, things like the light source are going to strip atoms from the inside out.
如果他们说的是正确的，就像我所相信的，像光源这样的东西会把原子从内部剥离出来。
The light source must therefore be immensely brighter if it is to be used as a headlight to illuminate the path, than if it is to be used as a signal to others.
与用作被人识别的信号相比，如果用作照亮路途的头灯的话，光源必须要明亮很多。
The process involved using intensive X-ray light produced at the National Synchroton Light Source in Brookhaven, N. Y.
这种方法使用了纽约布鲁克黑文的国家同步加速器光源产生的强大的X射线。
The light source irradiates infrared light onto the biosome from the shotting side of the biosome.
上述光源从上述生物体的摄像侧对上述生物体照射红外光。
The invention of the laser provided scientists with a stronger source of light and a push that could do useful work on Earth.
激光的发明给科学家们提供了一种强大的光源，同时也是地球上的一种能够产生有效功的推力。
In both cases, the source of light is the same: the Sun.
在这两种情况下，光的来源都是太阳。
Abandoning incandescent bulbs means abandoning fire as our primary light source for the first time in human history.
禁止白炽灯泡就意味着人类历史上，我们第一次禁止把火作为基本的照明来源。
The stars in centre our Milky Way Galaxy are the most significant source of light which helped to create dark reflections on the water in the middle of the frame.
银河系中间的恒星是几乎成了光线最重要的来源，它有助于在水面中间创造出黑暗的反光。
In many cases the light source itself does not have to appear in the image.
它通常在夜晚或者黑暗的房间里制作。 在许多情况下，灯光源本身不一定在图像里。
She reflects the rays from the sun, the source of light and heat, the symbol of truth and knowledge.
而太阳才是光和热的源泉，是真理和知识的象征。
This is because, with a broad source, light rays hit your subject from more directions, which tends to fill in shadows and give more even illumination to the scene.
这是因为光源越广，射在物体上光线的方向就越多，这会起到增加场景中的照明、减少阴影的作用。
The scientists needed a source of violet light, and found it in the gold nanoparticles.
因此科学家需要在金色纳米微粒中找到紫光源。
But Mars is much closer than the distant stars and an extended source of light.
不过火星比遥远的恒星距离我们更近，光源也更为扩展。
Each source of light is a different color, and the bizarre quality of the different lights sets a perfect mood for a picture of Las Vegas.
各个光源的颜色均不相同，而不同光线的怪异质感营造的氛围正好是拉斯维加斯的完美写照。
But during an eclipse, the source of light is blocked and the moon's disk goes unusually dark.
但在整个月食过程中，光源被挡住，月亮的盘面通常是暗的。
With the help of a compound and a light source, we're granting that cell the ability to bow out gracefully.
在光激活化合物的帮助下，我们给予该细胞消失的能力。
This directs sunlight into a room to provide a source of natural light.
将阳光导入室内，提供自然光源。
A broad light source lessens shadows, reduces contrast, suppresses texture. A narrow light source does the opposite.
广泛的光源能够弱化阴影、降低对比、抑制纹理，较窄的光源则作用相反。
For example, if we have a light source directly to the right, we can just use the red channel.
例如，如果我们有一个光源从正右方照射来，我们可以只适用法线贴图中的红色分量。
Lightning triggers go off when there's any change in light source.
闪电触发器在光源有变化时会自动闪灭。
Whether in a controlled or natural environment, the light source is an essential consideration.
无论是在人工控制还是自然条件下，光源都是个必要考虑因素。
This is a light source people will want.
这会是一种人们想要的光源。
Sunlight is an excellent source of blue light.
太阳光是极佳的蓝光光源。
By positioning the subject near the light source and allowing some of the subject to underexpose, the photographer can let light touch only the most important part of the subject.
让被摄者靠近光源并有选择地让被摄对象的某些部分欠曝，摄影师能让光线照亮被摄者最重要的部分。
You can still make your light source bigger by using a simple bounce card.
你仍然可以使用简单的反光片来改变光源大小。
You can still make your light source bigger by using a simple bounce card.
你仍然可以使用简单的反光片来改变光源大小。
应用推荐