optical spectrum

短语

[化] 光谱

发音

US

词形变化

optical spectra optical spectrums 复数 optical spectrums optical spectra 复数

释义与例句

n.
  1. 1.

    The colours of the rainbow.

  2. 2.

    The distribution of colours produced when white light passes through a prism.

    物理
  3. 3.

    The range of frequencies of visible light.

    天文 物理