英语词汇“lepton era”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	lepton era
释义	lepton era lepton era [′lep‚tän ‚ir·ə] (astronomy) The period in the early universe, following the hadron era, during which electrons, positrons, neutrinos, and photons were present in nearly equal numbers; roughly between 10^-4 and 20 seconds after the big bang.
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