spherical sector resonator

例句：

1. 1.The spherical sector resonator is used in the measurement of acoustic waves.
   球面扇形共振器用于声波的测量。
2. 2. The spherical sector resonator has been proven to be an effective tool for measuring sound pressure levels.
   球面扇形共振器已被证明是测量声压级的有效工具。
3. 3.The spherical sector resonator is a crucial component in the design of acoustic systems.
   球面扇形共振器是声学系统设计中的关键部件。