黑体（物理学）
拉热力学中，黑体（英语：Black body），老早叫绝对黑体，是一个理想化个物体，渠能够吸收外来个全部电磁辐射，并且弗会有任何个反射搭透射。随着温度上升，黑体所辐射出来个电磁波搭光线则叫做黑体辐射。
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