首页epochepoch英英释意

epoch

英 ['iːpɒk; 'epɒk]美['ɛpək]
  • n. [地质] 世;新纪元;新时代;时间上的一点

英英释意


1. a period marked by distinctive character or reckoned from a fixed point or event
2. (astronomy) the precise date that is the point of reference for which information (as coordinates of a celestial body) is referred
3. a unit of geological time
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