nuclear isomer

例句：

1. 1.The study of nuclear isomers has led to significant advancements in medical imaging.
   研究核同位素已经导致医学成像的重大进步。
2. 2. Nuclear isomers are used in various applications, including cancer treatment.
   核同位素在各种应用中被使用，包括癌症治疗。
3. 3.The discovery of a new type of nuclear isomer could revolutionize the field of chemistry.
   发现一种新的核同位素可能会彻底改变化学领域。