67.下圖上腹部超音波影像中,箭號所指假影為下列那一項所引起?
(A)primary beam
(B)side lobe
(C)reverberation
(D)ghost imaging
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統計: A(107), B(1289), C(352), D(180), E(0) #1383933
統計: A(107), B(1289), C(352), D(180), E(0) #1383933