请输入您要查询的英文单词:
单词
mean life
释义
mean life
Physics.
1.
the average time that an unstable particle or nucleus survives before it decays.
2.
See
decay time
. Also called
average life, lifetime
.
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dogwatch
dog whelk
dogwood
dogwood family
dogwood winter
dog work
dogy
Doha
DOHC
Dohnányi
DOI
doiled
doily
doing
Doisy
doit
doited
do-it-yourself
DOJ
dojo
dol
DOL
dol.
dolabriform
Dolby
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更新时间:2025/12/4 15:23:41