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| 单词 | charm quark |
| 释义 | charm quark (extremely rare) n WORD FAMILY charm quark USAGE EXAMPLESThe exotic pentaquarks they observed are made up of two up quarks, one down quark, one charm quark and one anti-charm quark. The Guardian(Jul 14, 2015) n a quark with an electric charge of +2/3 and a mass 2900 times that of an electron and a charm of +1 Hyper quark (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3 |
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