natural frequence of vibration

• 自振频率

natural frequence of vibration的用法和样例：

例句

1. This paper presents a method used for calculating the natural frequency of gases subjected by small pressure pulsations in pipe systems.
   本文介绍一种用以计算微压扰动下管道中气柱自振频率的方法。
2. In this paper,the natural frequencies and modes of box water body researched by using three-dimensional finite element method.
   本文运用三维有限元方法离散水体，研究了箱形术体的自振频率及动水压力振型。