extensional vibration

• 纵向振动,扩张振动

extensional vibration的用法和样例：

例句

1. Investigations on transverse vibration of axially moving strings and its control are reviewed.
   综述轴向运动弦线纵向振动及其控制问题的研究进展。
2. The compoundtransducer is composed of the sandwich vibrator in longitudinal vibration and the circular thin plate in flexural vibration.
   该复合换能器由夹心式纵向振动半波长换能器及弯曲振动的薄圆盘组成。