unequal harmonic vibration

例句：

1. 1. The unequal harmonic vibration of the spring is causing the car to shake.
   弹簧的不等谐振动导致汽车震动。
2. 2. The scientist discovered that the unequal harmonic vibrations in the crystal were responsible for the strange phenomena.
   科学家发现晶体中的不等谐振动是这些奇异现象的原因。
3. 3. The engineer adjusted the frequency of the unequal harmonic vibration to improve the performance of the machine.
   工程师调整了不等谐振动的频率，以改善机器的性能。