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单词
beta decay
释义
beta decay
美
英
na.
【核】β衰变
网络
贝塔衰变
英汉
英英
网络释义
na.
1.
【核】β衰变
n.
1.
the
radioactive
transformation
of
an
atomic
nucleus
during
which
an
electron
or
positron
is
produced
,
although
the
mass
number
remains
unchanged
1.
衰变
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2.
贝塔衰变
贝塔衰变
(
Betadecay
)是一个质子(或中子)改变成一个中子(或质子),并放出一个电子(或正电子)的放射性衰变过程, …
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例句
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更新时间:2026/6/27 19:42:59