埃长度单位,等于一厘米的百万分之一(10-8),用来记录辐射波长 A unit of length equal to one hundred-millionth(10-8) of a centimeter, used especially to specify radiation wavelengths.
波段,波带电磁辐射的波长和频率的特定范围 A specific range of wavelengths or frequencies of electromagnetic radiation.
非单一波长或频率的由多种不同波长或频率组成的 Consisting of different wavelengths or frequencies.
发光效率一定波长的光量对同样波长的辐射光量的比例 The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength.