flowstone造句
造句與例句
手機(jī)版
- Acorrding to the excavation report , in t | and t2 of zhangkou cave , there are 10 flowstone layers , which provide favorable materials for chronological studies
張口洞文化堆積中夾有多層鈣板，這為該遺址的年代研究提供了有利條件。 - The cultural deposits which are bracketed by the two flowstone layers should be of an age between 55 and 110 ka . the sixth flowstone layer gave date of 300 ka , which is much too old compared with the previous 14c age of - 15 ka on fossil materials
第4 、 5鈣板層間出土的石制品應(yīng)是中國地區(qū)40 - 100ka間有人類活動(dòng)的確證，表明“時(shí)間缺環(huán)”很可能只是測年技術(shù)應(yīng)用不當(dāng)造成的假象。 - We have carried out 230th / 234u dating on several intercalated calcite samples . the results show that the capping flowstone layer and the second one are holocene in time . the fourth flowstone layer is of an age of 55 ka , and the fifth one 110 ka
新生碳酸鹽鈾系法測年顯示，張口洞堆積所代表的時(shí)間跨度比原認(rèn)為的長得多，這一結(jié)果支持我國中、晚更新世人類遺址原有年代框架被總體壓縮的觀點(diǎn)。 - 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(diǎn)含化石堆積與表層鈣板間無地層倒序現(xiàn)象，支持人牙化石大于100ka的結(jié)論。 - We have carried out th / u dating on intercalated calcite samples . the results show that the capping flowstone layer is of an age of 94 ka , and the second one 220 ka . the fossil - bearing deposits which are bracketed by the two flowstone layers should be of an age between 94 and 220 ka
新生碳酸鹽巖與骨化石的鈾系測年結(jié)果表明：該地點(diǎn)覆蓋含人牙化石堆積的表層鈣板在約94ka以前開始形成，堆積疊壓的鈣板年代為約220ka ，人牙化石的年代應(yīng)介于兩者之間。 - It's difficult to see flowstone in a sentence. 用flowstone造句挺難的
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