英语词汇“up quark”是什么意思，“up quark”的读音、用法及例句翻译-烛光网

词汇	up quark
释义	up quarkn.（名词）abbr. u【缩写】 A quark with a charge of +2/3 and a mass about 607 times that of the electron. It is a component of protons and neutrons. See table at subatomic particle 上夸克：一夸克，其带有+2/3电荷和一个电子的607倍的质量。它是构成质子和中子的成分之一参见 subatomic particle
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