diffraction gratings

　
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diffraction gratings的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：

英英釋義

名詞 diffraction grating:
  1. optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum

diffraction gratings的相關(guān)資料：

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