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to phrases
half value layer
dermat.
半价层
el.
半值层【核】
wind.
半值层
half-value layer
gen.
半值房
;
【核】半吸收层
chem.
半值厚度
earth.sc.
半值〔价〕层
;
半衰减 〔半吸收〕层
el.
半值层
;
半衰减层
geophys.
半值【吸收】层
oil
半吸收层
half -value layer
:
1 phrase
in 1 subject
Air defense
1
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