APP Definition:The geologic age of a fossil,or a geologic event or structure expressed in units oftime,usually years,also known as actual age.絕對年齡jué duì nián líng化石、巖石等地質(zhì)體的地質(zhì)年齡,通常采用同位素測年方法獲得,故也稱為“同位素年齡”。本名詞與“......（本文共 360 字） [閱讀本文] >>
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Definition:The geologic age of a fossil,or a geologic event or structure expressed in units oftime,usually years,also known as actual age.絕對年齡jué duì nián líng化石、巖石等地質(zhì)體的地質(zhì)年齡,通常采用同位素測年方法獲得,故也稱為“同位素年齡”。本名詞與“......（本文共 360 字） [閱讀本文] >>
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