hyperfine magnetic field

例句：

1. 1. The hyperfine structure of the molecule is responsible for its unique properties.
   分子的超精细结构是其独特性质的原因。
2. 2. The researcher found that the hyperfine structure of the nucleus could be used to determine the mass of the atom.
   研究者发现，核的超精细结构可以用来确定原子的质量。
3. 3. The hyperfine structure of the hydrogen atom has been studied extensively in the field of quantum mechanics.
   氢原子的超精细结构在量子力学领域得到了广泛的研究。