她用相机和三种不同的光源来寻找塑料。
She uses a camera along with three different kinds of light to find the plastics.
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.
在人造光源发明之前，月亮对人类社会的影响更大。
Before the invention of artificial light, the moon had greater social impact.
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.
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.
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.
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."
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.
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.
我也喜欢研究背景和布置光源。
I also had fun doing the background and setting up the light source.
将阳光导入室内，提供自然光源。
This directs sunlight into a room to provide a source of natural light.
这会是一种人们想要的光源。
太阳光是极佳的蓝光光源。
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.
第7步：注视一个光源。
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.
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.
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.
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.
过多地曝露于电视或电脑的人工光源中可能是一个原因。
Exposure to more artificial light from TVs or computers is one theory.
当你缩放页面时，投影还能移动，就像光源也在转移一样。
The shadow moves when you resize the page, as if the light were shifting.
你可以尝试对焦在与中心物体距离相近的任何一个光源上。
One can try focusing on point light sources at a similar distance to the subject of interest.
你们可以在底部看到光源，在屏幕上有两条缝，很细的缝。
Here you have a light source at the bottom and here you have a screen with two slits in it, very small slits.
应用推荐