定义

又称滤色光度计，一种用于测量（某对象相对于）不同波长光线的透射率或反射率的仪器。它采用窄带滤波器，而不是比较传统的色散元件（来进行波长选择）。

English Expression

abridged spectrophotometer

Definition

An instrument used to measure transmission or reflection as a function of wavelength, using narrow bandpass filters rather than the more conventional dispersive element.

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