英语词汇down quark的读音、翻译及短语词组释义-英汉双解词典

单词	down quark
释义	down quark down quark n.Abbr. d（名词）缩写 dA quark with a charge of &9{-}&9{!/3}, a mass about 607 times that of the electron, and a downward spin. It is a component of protons and neutrons.See table at subatomic particle 下夸克：电荷为&9{-}&9{!/3}的夸克，质量是电子的607倍，有向下的旋转动量。下夸克是质子和中子的组成部分参见 subatomic particle
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