69.四象限假體(bar phantom)是用來偵測閃爍攝影機的何種特性?
(A)dead time
(B)uniformity
(C)resolution
(D)sensitivity
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統計: A(60), B(685), C(1565), D(148), E(0) #2039506
統計: A(60), B(685), C(1565), D(148), E(0) #2039506