52.下列何種偵檢器能量解析度最佳?
(A)ion chamber
(B)proportional counter
(C)scintillation detector
(D)semiconductor detector
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統計: A(282), B(83), C(172), D(1256), E(0) #2742732
統計: A(282), B(83), C(172), D(1256), E(0) #2742732