phonon spectrum

例句：

1. 1. Thephonon spectrum of the material is crucialfor understanding its mechanical properties.
   该材料的声子谱对于理解其机械性质至关重要。
2. 2.In the study of materials science, understandingthe phonon spectrum is essential topredicting their behavior under different conditions.
   在材料科学研究中，了解声子谱对于预测材料在不同条件下的行为至关重要。
3. 3. Theresearch team has developed a new technique toanalyze the phonon spectrum of materialsin real-time.
   研究团队开发了一种新技术，可以实时分析材料的声子谱。