radiantlyadv.辉煌地；清朗地radiantadj.发光的；明亮的；辐射的radiant source distribution辐射源能量分布radiant furnace test method辐射炉试验法radiant floor heating system地板辐射供暖系统radiant-energy thermometer辐射高温计radiant energy type analyzer辐射能式分析仪radiant quantity measurement辐射量测量radiant surface absorptivity辐射表面吸收率radiant-energy thermometre辐射能温度计radiant floor cooling system地板辐射供冷系统radiant intensity measurement辐射强度测量