单词	four order
释义	four order 四阶
随便看	light-out light outcoupling efficiency Light outcoupling layer light out for light outfor/of light outlet light out of light output light output change light output direction light output function light output non-uniformity light output ratio light output ratio of a fitting light output ratioof a luminaire light output wavelength light overcoat light overtone Light oxidation light oxidation process lightox process light packaging lightpack cable light packet light packing