Rainbows are a simple, ordered display of visible light reflected off of water droplets in the atmosphere.
彩虹是简单的，有次序的显示和反射水滴在大气层。
When all these visible wavelengths are strongly reflected, the surface looks white; when the reddest light is absorbed, the reflection takes on a cyan tinge.
当所有颜色可见光波达到反射强度时，物体表面就呈现白色；当最红的光线被吸收时，反射的影像就带有青色的色调。
SWIR technology detects reflected light at wavelengths that the human eye cannot see, in wavelength bands between visible and thermal cameras.
短波红外成像技术可以探测到可见光与热像仪波段之间人眼无法看到的反射光波长。
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