n. 放射性碳,碳的放射性同位元素
网络 放射性炭; 放射性炭素; 射碳
The most frequently used method is radiocarbon dating.
最常用的方法是放射性碳定年法。
Tom, in your archaeology class, did you talk about radiocarbon dating?
汤姆,你在考古学课上有没有讨论过放射性碳年代测定法?
It turns out that radiocarbon dating works for a lot of prehistoric art.
事实证明,放射性碳年代测定法适用于许多史前艺术品。
Radiocarbon dating shows that the charred wood in Terra Preta soils is typically more than 1,000 years old.
放射性碳年代测定法显示,亚马逊黑土中被烧焦的木头通常有1000多年的历史。
Radiocarbon dating had to do with chemical analysis, something to do with measuring the amount of radiocarbon that´s left in organic stuff.
放射性碳年代测定法涉及到了化学分析,与文物中残留的有机物成分所释放的放射性碳的含量测定有关。