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单词
pH
释义
pH
n. Chem.
a logarithm of the reciprocal of the hydrogen ion concentration in moles per litre of a solution, giving a measure of its acidity or alkalinity
【化】
(
氢离子活性度的
) pH
值；酸碱度
[German, from
Potenz
‘power’ +
H
(symbol for hydrogen)]
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更新时间：2026/9/22 0:09:06