higher chain nuclei

例句：

1. 1.The research team discovered a new method to improve the efficiency of the production process.
   研究团队发现了一种新的方法来提高生产过程的效率。
2. 2.The higher-chain nuclei are more stable than the lower ones.
   更高链核比更低的链核更稳定。
3. 3.The higher-chain nuclei are responsible for the formation of the protein structure.
   更高链核负责蛋白质结构的形成。