英语词汇“eta meson”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	eta meson
释义	eta meson noun Etymology: eta (I) : an uncharged elementary particle with zero spin that has a mass 1074 times the mass of an electron and that decays rapidly especially into pions — called also eta particle
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