Optical radiation is just visible light energy spreading out.
光辐射就只是扩散的可见光能量。
Physical objects, when struck by light (the visible kind, see electromagnetic radiation), will reflect back certain wavelengths of light to your eyes.
一个物体，受到光线照射(可以看得到的物体，见电磁辐射)，将会把某些波长的光反射到你的眼睛里。
Electromagnetic radiation is another common dataset (for example, near-infrared radiation or visible light).
电磁辐射是另一种常见的数据集(例如，近红外辐射或可见光)。
The traditional answer to this question was that most of the sun's radiation is visible light, so our eyes evolved to see those wavelengths.
一般对这一问题的回答是：大多数的太阳光都是可见光，所以我们的眼睛在进化过程中已经形成了选择性偏好。
Stars and planets form within swirling clouds of dust and gas that visible light cannot penetrate, but which infra-red radiation can.
那些漩涡状的尘埃气体云是恒星和行星诞生的摇篮，虽然可见光无法穿透其间，但是红外光却可以做到。
Swirls of green in Hubble's ultraviolet and visible-light view reveal hydrogen and sulfur gas that have been heated and ionized by intense ultraviolet radiation from the Trapezium's stars.
紫外线成像显示出的绿色漩涡以及可见光形成的图像揭示了氢和硫磺气体的存在，它们受发自四边形的强紫外线的辐射而变热并形成等离子体。
Central filamentsof the dusty clouds glow with a faint reddish photoluminesence as some dust grains effectively convert the star's invisible ultraviolet radiation to visible red light.
在尘埃云中心的细丝发出微弱的红色荧光，这是由于一些尘埃微粒能有效地将恒星发出的不可见紫外线转换成可见的红光。
35% as thermal radiation; made up of a wide range of the electromagnetic spectrum, including infrared, visible, and ultraviolet light and some soft X-ray emitted at the time of the explosion; and.
35%为热辐射，由宽幅电磁频谱组成，包括红外线、可见光、紫外线，以及一些爆炸瞬间释放出的软x射线。
Visible light is just one form of radiation.
可见光只是辐射的一种形式。
The average transmittance of the coatings in visible light spectrum is up to 75%, and 73% in infrared region, which can provide effective insulation for heat radiation.
光谱分析证实其在可见光区平均透过率可达75 % ，在红外区阻隔率达到73% ，能对热辐射起到有效的阻隔作用。
The six channel instantaneous optical pyrometer is used to measure the thermal radiation of the light source at six bands from visible to near infrared spectrum.
六通道瞬态光学高温计是在可见光和近红外光谱范围内，把光源的热辐射取出六个波段进行测量。
Electromagnetic radiation with a wavelength just shorter than that of visible light.
其波长正好比可见光短些的电磁辐射。
The design aims at extracting the visible light from synchrotron radiation without distortion.
设计要求从同步光中尽可能不失真地分离出可见光。
Invisible ultraviolet or infrared radiation. Black light causes fluorescent materials to emit visible light and is used to take pictures in the dark.
看不见的紫外线或红外线。黑光使荧光物体发出可见光，用于黑暗中拍照。
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%。
The wavelengths of the microwave radiation regime in which the cloak works are tens of thousands of times longer than those of visible light.
这种隐身衣的工作范围属于微波辐射，其波长比是可见光波长的数万倍。
The solar constant includes all types of solar radiation, not just the visible light.
太阳常数包括所有类型的太阳辐射，而不仅仅是可见光。
Upconversion material can convert infrared radiation into visible light.
使用上转换材料可有效地将红外射线转换为可见光。
The influence of the ratio of composition Mg/KNO 3 on the burning rate, near-infrared radiation intensity and visible light intensity is determined by experiment in this paper.
通过实验确定了镁/硝酸钾药剂的配比对燃烧速度、近红外辐射强度和可见光强度的影响。
Radio is the wireless transmission of signals through free space by electromagnetic radiation of a frequency significantly below that of visible light.
一种在可见光下以一定频率在空间穿行的电磁无线信号，请注意是“可见光”，下面会提到这个概念。
Radio is the wireless transmission of signals through free space by electromagnetic radiation of a frequency significantly below that of visible light.
一种在可见光下以一定频率在空间穿行的电磁无线信号，请注意是“可见光”，下面会提到这个概念。
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