23.下圖為四象限假體(bar pattern phantom)影像,試問下列何者為此假體主要可以測試的項目?
(A)sensitivity
(B)precision
(C)energy resolution
(D)spatial resolution
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統計: A(61), B(17), C(24), D(1031), E(0) #979061
統計: A(61), B(17), C(24), D(1031), E(0) #979061