最終更新日：2024/07/28
(physics) A quark having a fractional electric charge of -1/3 and a mass of about 4,100 to 4,400 MeV. / Symbol: b
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bottom quark
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(physics) A quark having a fractional electric charge of -1/3 and a mass of about 4,100 to 4,400 MeV. / Symbol: b
bottom quark
DiQt（ディクト）
無料
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