Optical radiation is just visible light energy spreading out.
光辐射就只是扩散的可见光能量。
What is the E of visible light?
可见光的能量是多少？
Why is it transparent to visible light?
为什么对可见光透明呢？
Visible light is just one form of radiation.
可见光只是辐射的一种形式。
Much of this is visible light, so that we are well aware of it.
其中大部分是可见光，所以我们很清楚地感觉到它。
The bottom image uses a combination of infrared and visible light.
下图是红外线和可见光叠加照片。
Visible light is a form of energy that we can detect with our eyes.
可见光是一种能被我们眼睛看见的能量。
Anyone wants to take a stab at the scientific term for visible light?
有人想解释一下可见光的科学名称吗？
Visible light is just one slice of the universe's electromagnetic rainbow.
可见光是宇宙的电磁波当中的一小部分。
In this paper, the visible light characteristic of ground target was studied.
研究了地面目标的可见光特征。
The device used the cheap CCD camera and visible light led and infrared ray led.
该装置采用低廉ccd摄像机，配以可见和红外发光二极管组成。
Because less then 5% of the sun spectrum is ultraviolet radiation and 43% is visible light.
而太阳光谱中紫外光区占不到5%，可见光区则占43%。
Unit of controlling scan mode selects whether visible light source or infrared source is activated.
扫描模式控制单元控制该扫描模块选择性地激活该可见光源与该红外光源以进行扫描。
The invention realizes almost perfect absorbing function on wide wave band within visible light range.
本发明实现了对可见光范围内的宽波段近完美吸收作用。
This impressive display is clearly visible in the light spectrum illuminating the forest floor.
在照亮雨林地面的光谱中，能够清晰地看到这种让人印象深刻的展示。
When the light is on, or white, the image is visible.
当在灯光下或白天，图像是可见的。
No light, but rather darkness visible.
没有光亮，黑暗却清晰可见。
The visible side is smooth, polished, it reflects the light.
其可见的一面是光滑的，打磨过的，它反射着光线。
You can adjust the light intensity, or you can even make the lamp visible.
您可以调整光照强度，或您甚至可以使灯泡可见。
The ring would be difficult to see with visible-light telescopes.
环将很难看到可见光望远镜。
The river was visible through a light mist .
透过薄雾那河隐约可见。
A light dome topped hill is also visible on the far left of the image.
在影像的左侧还可以看到另一座发亮的圆顶山丘。
A light dome topped hill is also visible on the far left of the image.
在影像的左侧还可以看到另一座发亮的圆顶山丘。
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