radiocarbon stratigraphy

常見例句

雙語例句

• Because they rely on estimation, relative techniques like stratigraphy are considered less precise than absolute techniques, like radiocarbon dating or verification from written records.
  因爲他們象地層學那樣依賴相關的技術進行推測，其精確度不如用放射性碳元素斷定或根據(jù)記錄來斷定年代的方法。
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