28.鈣化或者高衰減的物體,在超音波影像中容易產生何種假影?
(A)回音增強(enhancement)
(B)多重反射(reverberation)
(C)陰影效應(shadowing)
(D)鏡面影像(mirror image)
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統計: A(145), B(77), C(1446), D(32), E(0) #1042648
統計: A(145), B(77), C(1446), D(32), E(0) #1042648