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单词
radioactive constant
释义
radioactive constant
noun
:
a constant of radioactivity represented by λ in the equation
I
t
.
I
o
e
-
λ, where
I
o
is initial activity,
I
t
activity after time
t,
and
e
the natural logarithmic base
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更新时间:2025/7/30 5:46:58