A luminosity function is the number of objects of a particular sort as a function of their luminosity or brightness in some wavelength band.
光度函数是作为某一波段的光度或亮度的函数的特定种类的天体数目。
A luminosity function is the number of objects of a particular sort as a function of their luminosity or brightness in some wavelength band.
光度函数是作为某一波段的光度或亮度的函数的特定种类的天体数目。
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