neutron age

例句：

1. 1. The study of the neutron age is crucial for understanding the formation and evolution of the Earth's crust.
   研究中子年龄对于理解地球地壳的形成和演变至关重要。
2. 2. The age of the neutrons in the sample is determined by measuring the decay rate of the radioactive isotope.
   通过测量放射性同位素的衰变速率来确定样本中的中子年龄。
3. 3.The neutron age provides a valuable insight into the geological history of the region.
   中子年龄为该地区的地质历史提供了宝贵的见解。