《英文msh词典》Echocardiography,Doppler Pulsed
[入口词] Echocardiography,Doppler Pulsed
[主题词] Echocardiography,Doppler,Pulsed
[英文释义] Echocardiography 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.