1. 超聲波心動描記器一種用來顯示詳細(xì)的大腦圖象的儀器，利用超聲波發(fā)送和反射的差異來測試并無傷無痛
   An instrument that in a painless and noninvasive manner uses the differential transmission and reflection of ultrasonic waves to create a detailed visual image of the brain.
2. 超聲波掃描術(shù)利用超聲波來顯示耳體結(jié)構(gòu)或胚胎發(fā)育情況的診斷用的成像法
   Diagnostic imaging in which ultrasound is used to visualize an internal body structure or a developing fetus.
3. 醫(yī)生給他做了腦部超聲波掃描檢查。
   The doctors gave him an ultrasonic brain scan.

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