| 单词 | crystal monochromator | 
| 释义 | crystal monochromator [¦krist·ǝl ´män·ǝ`krō´mād·ǝr]  SPECTROSCOPY A spectrometer in which a collimated beam of slow neutrons from a reactor is incident on a single crystal of copper, lead, or other element mounted on a divided circle.  | 
	
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