他首先可能想到的是用灯笼或探照灯制造光源。
The first one that might occur to him is to manufacture light, to use a lantern or a searchlight.
在同一时期内，X 射线光源亮度的增加速度要快得多。
The increase in brightness of the x-ray sources over the same period has occurred far faster.
整个装置——光源和灯具——必须换掉，而这一提议绝不便宜。
The whole fixture must be replaced—light source and luminaire—and this is never an inexpensive proposition.
我们不得不遮蔽所有其他的光源，才能看到这个原子非常暗淡的光线。
We have to cancel all other light sources to see this very, very dim light from the atoms.
晚上，扫视地平线，寻找像火和街灯的人工光源，然后朝发光的光污染方向走。
At night scan the horizon for artificial light sources such as fires and streetlights, then walk toward the glow of light pollution.
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 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.
夜间，仔细眺望地平线，寻找诸如火和路灯之类的人造光源，然后朝光污染造成的光亮走。
At night, scan the horizon for artificial light sources, such as fires and streetlights, then walk toward the glow of light pollution.
正如照明专家霍华德·布兰德斯顿指出的那样：“一般而言，没有不好的光源，只有不好的应用。”
As lighting expert Howard Brandston points out, "Generally, there are no bad sources, only bad applications."
研究发现，当灯亮着时，身体会放慢分泌荷尔蒙褪黑素的速度或停止分泌，要远离任何光源，甚至是正在充电的智能手机发出的蓝光。
Research has found that the body will slow or stop it with light on, get away from any light, even the blue light from your charging smart phone.
在几天的测试中，指示器或跟踪器跟踪一个红外光源，并引导激光束击中目标。
During tests over several days, the pointer or tracker tracked an IR source and directed a laser beam at that source.
对于较冷的光源（蓝或绿色），你会让相机给照片增加暖色，而在暖光源下，你要让它给照片降温。
For cooler (blue or green) light, you'll tell the camera to warm things up, and in warm light, you'll tell it to cool down.
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 light source irradiates infrared light onto the biosome from the shotting side of the biosome.
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 process involved using intensive X-ray light produced at the National Synchroton Light Source in Brookhaven, N. Y.
这些红外光源绝大部分都是星系。
The vast majority of these infrared extended sources are galaxies.
环境反射：由环境光源反射的光线。
Ambient reflection: The light that is reflected by an ambient light source.
LED是电光源，它们只能照亮一个方向。
LEDs are point lighting sources; they shine in only one direction.
下图中，光源来自左方。
In the simple diagram below, we can see that the light source is coming from the left.
在室外，光源来自源于不同的角度，并很亮。
In an outdoor setting, the light source can come from many angles and be very bright.
城市中五颜六色的光源形成了颜色各异的光柱。
Light pillars can be observed in cities with many different colorful light sources.
因此科学家需要在金色纳米微粒中找到紫光源。
The scientists needed a source of violet light, and found it in the gold nanoparticles.
远期目标是利用室内光源放出的可见光传输数据。
The long-term hope is to transmit data using visible light emitted by indoor lighting.
高光能平衡阴影，应该位于物体靠近光源的边缘。
Highlights can help balance shadows and should be used on the edges of objects closest to the light source.
但是我们将用两种，不同的光源照射它。
But we're going to irradiate it with two different light sources.
光源与被摄体的相对大小，决定了照片的整体效果。
The size of your light source, relative to your subject, affects the overall look of the picture.
但是细看之下，他发现那个光源并不在他期望的地方。
But the more he looked, the more he realized that the light was coming from the wrong place.
不过火星比遥远的恒星距离我们更近，光源也更为扩展。
But Mars is much closer than the distant stars and an extended source of light.
他称自己诡异的成像手法源自于不同光源下长时间的曝光。
He explains this weird photography USES different light sources during long exposure times.
而当光源离被摄体越远，相对的就越小，也就是越窄。
Move it farther away, and you make it relatively smaller, and therefore more narrow.
而当光源离被摄体越远，相对的就越小，也就是越窄。
Move it farther away, and you make it relatively smaller, and therefore more narrow.
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