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单词
pyrone
释义
pyrone
/puy"rohn, puy rohn"/
,
n. Chem.
either of two heterocyclic ketones having the formula C
5
H
4
O
2
.
[
1890-95; PYR- + -ONE
]
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Eötvös torsion balance
Eötvös unit
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fabaceous
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Fabian
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更新时间:2025/3/25 8:22:07