chemical fossils 中文意思是什麼

chemical fossils 解釋
化學化石
  • chemical : adj 化學的,化學作用的;應用化學的,用化學方法獲得的。n 〈常 pl 〉化學製品;藥品。 fine chemicals...
  1. Chemical fossils ( e. g. alkanes and porphyrins ) are often the only evidence for life in rocks of precambrian age

    化學化石(烷烴和卟啉)是前寒武紀地層中生命存在的唯一證據。
  2. Chemical fossils particularly resistant organic chemicals present in geological strata that are thought to indicate the existence of life in the period when the rocks were formed

    化學化石:殘存於地質地層中的有機化學物質,當這樣的地層被發現時,可以預測出那個地層形成時期的生命活動現象。
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