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Terms
for subject
Metallurgy
containing
半衰 期
|
all forms
|
in specified order only
Chinese
English
半衰
变
期
period of half change
半衰期
half-life
(period)
半衰期
half-time
半衰期
period of half change
(放射性元素的)
半衰期
half-value period
半衰期
half-period
半衰期
half-
period
平均
半衰期
mean half life
长
半衰期
物质
long-half-life material
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