variable resonator

例句：

1. 1. The variable resonator is used in the design of electronic circuits to adjust the frequency response.
   可变谐振器用于电子电路设计，以调整频率响应。
2. 2. In the field of acoustics, variable resonators are used to create sound waves with different frequencies and amplitudes.
   在声学领域，可变谐振器用于产生具有不同频率和振幅的声波。
3. 3. The variable resonator technology has been widely applied in various fields such as aerospace and automotive industries.
   可变谐振器技术已广泛应用于航空航天和汽车行业等各个领域。