《英文msh词典》Ultrasonography,Pulsed Doppler
[同义词] Ultrasonography,Pulsed Doppler
[主题词] Ultrasonography,Doppler,Pulsed
[中文释义] 超声检查,脉冲,多普勒
[英文释义] Ultrasonography applying the Doppler effect,with velocity detection combined with range discrimination. Short bursts of ultrasound are transmitted at regular intervals and the echoes are demodulated as they return.