短語詞組短語celestial thermal background radiation 天空熱背景輻射thermal l radiation 熱輻射thermal l radiation shield 熱輻射防護(hù)屏thermal infrared radiation 熱紅外輻射;熱紅外線thermal radio radiation 熱射電thermal neutron radiation 熱中子輻射thermal l radiation screen 熱輻射屏障celestial l thermal background radiation 天空熱背景輻射 返回 thermal radiation