光谱的
Spectrograph \Spec"tro*graph\, n. [Spectrum + graph.] (Physics) (a) An apparatus for photographing or mapping a spectrum. (b) A photograph or picture of a spectrum. -- {Spec`tro*graph"ic}, a. -- {Spec`tro*graph"ic*al*ly}, adv. -- {Spec*trog"ra*phy}, n.
spectrographic adj : relating to or employing a spectrograph