relative dating

基本解释

Relative dating assesses the age of a specimen in comparison to other specimens.
一種是測定相對年齡，通過與其他的樣品的比較來確定待測樣品的年齡。
Relative dating assesses the age of a specimen in comparison to other specimens.
另一種是絕對年齡，通過測量可靠的時間來確定樣品的真實年齡。
So they collected teeth that had been extracted by dentists from 40 individuals, people whose age was known (between 13 to 70), and compared the technologies' relative accuracy in dating choppers.
所以，他們已經從牙毉那裡收集了取自40個年齡已知（介乎13至70嵗之間）個躰的牙齒，竝對比了這兩項技術判斷個躰數據的相對精度。

The reliability of percentage remaining (50% of the remaining rule) that has been used by scientists for the relative half-lives elapsed in responding to radiometric dating method is in question.
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