spectral-spectrally
spectrumspectral,物 frequency spectrum 短語(yǔ)頻譜 frequency spectrumSpectrumSpectra光學(xué)頻譜 spectrumSpectracularspekt...
spectrumspectral,物 frequency spectrum 短語(yǔ)頻譜 frequency spectrumSpectrumSpectra光學(xué)頻譜 spectrumSpectracularspekt...