hyperfine quantum number

例句：

1. 1. Theatomic clock is a device that measuresthe hyperfine structure of atoms.
   原子钟是一种测量原子超精细结构的设备。
2. 2.The hyperfine structure of the hydrogenatom has been studied extensively in recentyears.
   近年来，对氢原子的超精细结构进行了广泛的研究。
3. 3. Innuclear physics,the hyperfine structure ofnuclei is used to determinetheir masses.
   在核物理学中，利用核的超精细结构来确定它们的质量。