three-body decay

例句：

1. 1. The three-bodydecay of the planet Mercury is afascinating topic in astrophysics.
   水星的三体衰变是天体物理学中一个引人入胜的话题。
2. 2.In the study of quantum mechanics,three-body decay is a crucial concept.
   在量子力学研究中，三体衰变是一个关键概念。
3. 3. The decay of theradioactive nuclide has been observedin the three-body system.
   放射性核素的衰变已在三体系统中观察到。