dual resonance

例句：

1. 1. The device has a dual resonance frequency that can be adjusted to optimize performance.
   该设备具有可调节的双共振频率，以优化性能。
2. 2. In the study of acoustics, the dual resonance phenomenon is important for understanding sound propagation.
   在声学研究中，双共振现象对于理解声波传播至关重要。
3. 3. The engineer found that the dual resonance in the system could be used to enhance the efficiency of the process.
   工程师发现系统内的双共振可以用于提高过程的效率。