49.下列偵檢器中,何者不能鑑別加馬放射線的能量?
(A)GM counter
(B)HPGe
(C)proportional counter
(D)NaI detector
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統計: A(2303), B(153), C(252), D(89), E(0) #1943549
統計: A(2303), B(153), C(252), D(89), E(0) #1943549