《英文msh词典》Ultrasonic Imagings
[入口词] Ultrasonic Imagings
[主题词] Ultrasonography
[英文释义] The visualization of deep structures of the body by recording the reflections of echoes of pulses of ultrasonic waves directed into the tissues. Use of ultrasound for imaging or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz.