资料来源 : pyDict

光谱图,光谱照片

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Spectrogram \Spec"tro*gram\, n. [Spectrum + -gram.] (Physics)
   A photograph, map, or diagram of a spectrum.

资料来源 : WordNet®

spectrogram
     n : a photographic record of a spectrum [syn: {spectrograph}]