Ultrasonography,Doppler Pulsed
《英文msh詞典》Ultrasonography,Doppler Pulsed
[入口詞] Ultrasonography,Doppler Pulsed
[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.