《英文msh词典》Pulsed Ultrasonography,Doppler
[入口词] Pulsed Ultrasonography,Doppler
[主题词] Ultrasonography,Doppler,Pulsed
[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.