ultrasonic field的用法和樣例：
例句
- Ultrasonic transducer is the part of producing ultrasound and supersonic power offers energy to the transducers.
超聲波換能器是產生超聲場的部件，超聲波電源用以驅動超聲波換能器，向其提供能量，使之產生超聲場。 - The propagation of stress waves in solids can be considered as a part of the field of acoustics or ultrasonics depending on the conditions.
應力波在固體中的傳播，根據其條件可視為聲場或超聲場的一部分。
