isotope dating

例句：

1. 1. Theteam used the isotope dating methodto determine the age of the ancient tree.
   该团队使用同位素测年法来确定这棵古树的年龄。
2. 2. This techniquecan be used to date the origin ofvarious minerals.
   这种方法可以用来测定各种矿物的起源。
3. 3. Theresearcher found that the isotopedating method was more accurate than traditional methods.
   研究人员发现，同位素测年法比传统方法更准确。