deposition nucleus

例句：

1. 1. The study of the depositional history of the region is crucial for understanding its geological evolution.
   研究该地区的沉积历史对于理解其地质演变至关重要。
2. 2.The research on the deposition nucleus has provided valuable insights into the formation and evolution of sedimentary rocks.
   关于沉积核的研究为沉积岩的形成和演化提供了宝贵的见解。
3. 3.The deposition nucleus plays a critical role in controlling the distribution and accumulation of sediments in the ocean.
   沉积核在控制海洋中沉积物分布和积累方面起着关键作用。