radiationfin散热片radiationn.辐射；放射线radiation equilibrum辐射平衡radiation scattering辐射散射radiation transducer辐射传感器radiation biophysics辐射生物物理学Radiation synthesize辐射合成radiation supervisor辐射监督员,剂量员radiation hypothesis辐射假说radiation estimative剂量计radiation myelopathy放射性脊髓病变, 放射性脊髓病radiation germicidal辐照杀菌