| 释义 |
noun Optics.radiant flux emitted per unit area. Also called ra·diant ex·cit·ance [ik-sahyt-ns]. /ɪkˈsaɪt ns/. Words nearby radiant emittanceradian, radiance, radiancy, radiant, radiant efficiency, radiant emittance, radiant energy, radiant exitance, radiant flux, radiant heat, radiant heating Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |