1、
Carbon dating provides the archaeologist with a basic chronological framework.
碳元素年代测定法给考古学家提供了基本的年代框架.
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2、
Carbon dating of the drawing also linked it to da Vinci's period, according to the experts.
根据专家说法, 使用碳定年法也推算出这幅画是达文西年代.
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3、
