electric quadrupole moment

例句：

1. 1. The electric field in the region is strong enough to cause a significant change in the atomic structure of the atoms.
   该地区的电场足够强，足以引起原子结构的重大变化。
2. 2. In the context of quantum mechanics, the electric quadrupole moment plays a crucialrole in determining the properties of materials.
   在量子力学的背景下，电四极矩在确定材料性质方面起着至关重要的作用。
3. 3.The electric quadrupole moment of a proton is measured using a technique called nuclear magnetic resonance (NMR).
   通过核磁共振技术测量质子的电四极矩。