本文从实验和理论方面对声柱谐振时的频率进行了研究，并对声柱谐振时的效率作了理论计算。

In this paper, the resonance frequency of the sound column is investigated both theoretically and experimentally, and the efficiency of the sound column at resonant frequency is also calculated.

youdao

本文从实验和理论方面对声柱谐振时的频率进行了研究，并对声柱谐振时的效率作了理论计算。

In this paper, the resonance frequency of the sound column is investigated both theoretically and experimentally, and the efficiency of the sound column at resonant frequency is also calculated.

youdao