Pulsed Ultrasonography,Doppler
《英文msh詞典》Pulsed Ultrasonography,Doppler
[入口詞] Pulsed Ultrasonography,Doppler
[主題詞] Ultrasonography,Doppler,Pulsed
[英文釋義] 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.