mammal fossil 中文意思是什麼
mammal fossil
解釋
哺乳動物化石-
2s ( th / u4u and 227th / 2x " th dating on two mammal fossil teeth gave age ranging from 85 to 139 ka, which evidence the stratigraphic order between the capping flowstone and the underlying fossil - bearing deposits and support to the age assignment of older than ca. aoo ka to die hominid fossil teeth
伴生的貘牙化石和鹿牙化石的二種鈾系法年代范圍為85 - 139ka ，表明該地點含化石堆積與表層鈣板間無地層倒序現象，支持人牙化石大於100ka的結論。
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