短語詞組短語monochromatic radiant exitance 單色輻出度photosyhthetic radiant exitance 稱為光合幅出度monochromat radiant exitance 單色輻出度instantaneous radiant exitance 瞬時輻出度spectral radiant exitance 光譜輻射出射度Primary standard of radiant exitance 輻射出射度基準(zhǔn) 返回 radiant exitance