resonance field

例句：

1. 1.The resonance field of the radio is strongenough to pick up signals from far away.
   收音机的共振场足够强，可以接收远处的信号。
2. 2. In the resonance field,the electrons are accelerated by theelectromagnetic field.
   在共振场中，电子受到电磁场的加速。
3. 3. The resonancefield of a tuning fork isused to measure the frequency of sound waves.
   音叉的共振场用于测量声波的频率。