The concepts of radiant emittance and of irradiance are complementary.辐射的发射强度和辐照度是两个互补的概念.Irradiance or its equivalent, the plane radiant temperature, can be simply measured.可以简单地量测辐照度或其当量 -- 平面辐射温度.Emittance and irradia...
His most enduring quality is his childlike innocence.他最具持久魅力的特质就是他那孩子般的天真无邪。Her behaviour was childlike and dependent.她的言行举止像个孩子，依赖性强。He shows an almost childlike timidity in talking with strangers.他和生人谈话简直像小孩子一样面嫩....