longitudinal excitation

例句：

1. 1. The longitudinal excitationof the beam is crucial for its stability.
   梁的纵向激励对于其稳定性至关重要。
2. 2.In the study of vibration, longitudinal excitation is a fundamental concept.
   在振动研究中，纵向激励是一个基本概念。
3. 3. The engineer carefully designed the longitudinal excitation to ensure optimal performance.
   工程师仔细设计了纵向激励以确保最佳性能。