isomeric nucleus

例句：

1. 1. The studyof isomeric nuclei has ledto significant advancements in nuclear physics.
   研究同位素核的研究在核物理学领域取得了重大进展。
2. 2. The discoveryof new isomeric nuclei hasopened up new possibilities for medical treatments.
   发现新的同位素核为医学治疗开辟了新的可能性。
3. 3. The isomeric nuclei of uranium and thorium are used in nuclear reactorsto produce energy.
   铀和钍的同位素核被用于核反应堆中产生能量。