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diffraction grating的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
-
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 grating的用法和样例：
例句
- 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。 - When the laser beam goes through the diffraction grating, it is split up into a central bright beam plus a number of side beams.
当激光束射入衍射光栅后，被分成一个中间的明亮光束和一些处于旁边的光束。
