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biochron
[ˈbaɪəʊkrɒn]

  • n. 生存带;生物年代

专业释义英英释义

  • 生物时
    较短时期化石
  • 生物年代
    生物时

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Biochron

  • abstract: A biochron (from the Greek bios, life; and khronos, time) is the length of time represented by a biostratigraphic zone. Biochrons are named after characteristic fossil organisms or taxa that characterise that interval in time.

以上来源于: WordNet

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