n.共鸣器；共振腔；谐振电路
The impact of resonancefrequencies caused by the structure of the spherical resonator had been also discussed,and they were corrected by perturbation terms. 据此设计和制作了一套高精度的球共鸣器和低频音频信号测量装置，建立了一套球共鸣声学法测量气体音速的实验系统。
谐振器
