A black body maintained at a constant temperature is a full radiator at that temperature because the radiation reaching and leaving it must be in equilibrium.
黑色物体在恒温条件下是温度的完全辐射器，因为到达和离开该物体的辐射量必须保持平衡。
A black body maintained at a constant temperature is a full radiator at that temperature because the radiation reaching and leaving it must be in equilibrium.
黑色物体在恒温条件下是温度的完全辐射器，因为到达和离开该物体的辐射量必须保持平衡。
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