The recent years, the diffraction grating technology is valued people's day by day.
近些年, 光栅技术日益受到人们的重视.
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The light is emitted by the laser diode and enters a diffraction grating.
激光束从激光二极管中发出,射入衍射光栅.
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英英释义
Noun
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