When a black body cools down, at some point it no longer radiates light in the visible spectrum, giving off infrared photons instead.
当黑体变冷的时候,在一定的温度以下,它就不会再发出可见光而是放出红外光子。
When a black body cools down, at some point it no longer radiates light in the visible spectrum, giving off infrared photons instead.
当黑体变冷的时候,在一定的温度以下,它就不会再发出可见光而是放出红外光子。
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