parametric subharmonic oscillator

例句：

1. 1.This parametric oscillator can generate a wide range of frequencies.
   这个参数谐振子可以产生广泛的频率范围。
2. 2.The parametric oscillator is used in various applications, such as radar and communication systems.
   参数谐振器在雷达和通信系统中有各种应用。
3. 3. The parametric oscillator has been widely used in scientific research due to its high precision and stability.
   由于其高精度和稳定性，参数谐振器在科学研究中得到了广泛应用。