spectral classification spectral colour spectral concentration spectral contour spectral decomposition spectral density spectral distribution spectral distribution curve spectral-distribution law spectral emissivity spectral hue spectral line spectral luminuous radiation spectral radiance spectral range spectral reflectance spectral-reflection factor spectral region spectral resolution spectral response |
spectral classification астр. спектрална класификация Търсената дума е намерена |