78.用於正子造影的crystal中,下列何者的decay time最短?
(A)NaI(sodium iodide)
(B)BGO(bismuth germinate oxide)
(C)LSO(leutetium orthosilicate)
(D)GSO(gadolinium orthosilicate)
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統計: A(221), B(218), C(1184), D(88), E(0) #1150797
統計: A(221), B(218), C(1184), D(88), E(0) #1150797