extensional vibration的用法和樣例：
例句
- Investigations on transverse vibration of axially moving strings and its control are reviewed.
綜述軸向運動弦線縱向振動及其控制問題的研究進展。 - The compoundtransducer is composed of the sandwich vibrator in longitudinal vibration and the circular thin plate in flexural vibration.
該複合換能器由夾心式縱向振動半波長換能器及彎曲振動的薄圓盤組成。
