radiationfin散热片radiationn.辐射；放射线radiation resolution辐射分辨率Radiation Impairment辐射损伤Radiation technology辐射技术radiation excitation辐射激励radiation efficiency辐射效率radiational keratitis放射性角膜炎radiation-shielding辐射防护radiation work permit放射性工作容许值, 放射性工作许可证radiation nephropathy放射性肾病radiation disturfance辐射骚扰