hull natural frequency

例句：

1. 1. The ship's hull natural frequency is critical for its stability.
   船体的自然频率对稳定性至关重要。
2. 2. The engineeradjusted the hull natural frequency toimprove the ship's performance.
   工程师调整了船体的自然频率，以改善船舶的性能。
3. 3. The researchfocused on understanding the hull natural frequency of ships in differentsea conditions.
   研究专注于了解不同海况下船只的船体自然频率。