elastic scattering

例句：

1. 1. The elastic scattering of light by a particle is a fundamental property of quantum mechanics.
   光粒子的弹性散射是量子力学的一个基本属性。
2. 2. In the study of materials, elastic scattering is used to understand how particles interact with each other.
   在材料研究中，弹性散射被用来理解粒子之间的相互作用。
3. 3. The elastic scattering of neutrons by protons in the nucleus is a key process in nuclearreactions.
   中子在原子核内质子的弹性散射是核反应的关键过程。