thermal radiator

基本解释

Thermal radiator that absorbs completely all incident radiation, whatever the wavelength, the direction of incidence or the polarization.
对于所有入射辐射，无论波长、方向或者偏振情况如何，均完全吸收的热辐射体。
dict.site
Doubt were expressed to the spectral blue shift of thermal radiator. Both in threotical and experimental ways, I negated Mr. Feng's theory of spectral blue shift.
对《红外物理中热辐射体的光谱“蓝移”及与之有关的问题》一文从实验及物理概念两方面提出质疑。
In this paper, Some doubts are described on spectral blue-shift or red-shift of thermal radiator. The deliberations are given for these phenomena to these doubts.
对“蓝移”或“红移”，有人有误解，本文对二例质疑者，提出了商榷意见。