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单词 depletion
释义 depletion
[dǝ`plē·shǝn]
ECOLOGY
Using a resource, such as water or timber, faster than it is replenished.
ELECTRONICS
Reduction of the charge-carrier density in a semiconductor below the normal value for a given temperature and doping level.
NUCLEONICS
The percentage reduction in the quantity of fissionable atoms in the fuel assemblies or fuel mixture that occurs during operation of a nuclear reactor.
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