| 单词 | disintegration rate | 
| 释义 | disintegration rate [dis´in·tǝ`grā·shǝn ´rāt]  NUCLEONICS 1. The absolute rate of decay of a radioactive substance, usually expressed in terms of disintegrations per unit of time.  2. The absolute rate of transformation of a nuclide under bombardment.  | 
	
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