ultrasonic source

例句：

1. 1.The ultrasonic source was used toscan the patient's internal organs.
   使用超声波源扫描患者的内脏。
2. 2. The ultrasonic source is a powerful tool for medicalimaging.
   超声波源是医学成像的强大工具。
3. 3. Theultrasonic source was used to detectdefects in the metal parts.
   使用超声波源检测金属零件的缺陷。