lu.mi.nos.i.ty
n.（名词）【复数】 lu.mi.nos.i.ties The condition or quality of being luminous.发光：发光的性质或状态Something luminous.发光体The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength.Also called In this sense, also called luminosity factor 发光效率：一定波长的光量对同样波长的辐射光量的比例也作 在此意义上也可称作 luminosity factor
