英语词汇“bottom quark”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	bottom quark
释义	bottom quark Physics. the quark having electric charge -1/3 times the elementary charge and bottom quantum number -1. It is more massive than the up, down, strange, and charmed quarks. Also called beauty quark, b quark, b-quark. [1975-80]
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