stable nuclide

例句：

1. 1.The stable nuclide in the sample has a specific mass and energy level.
   样品中的稳定核素具有特定的质量和能量水平。
2. 2. Stable nuclides are used in radioactive dating to determine the age of rocks.
   稳定核素用于放射性测年，以确定岩石的年龄。
3. 3.The study of stable nuclides is crucial for understanding the origins of life on Earth.
   稳定核素的研究对于理解地球上生命的起源至关重要。