57.下列那種偵檢器不需要焠熄(quenching)?①liquid scintillation counter ②NaI(Tl) detector ③ HPGe detector ④GM counter
(A)僅①③
(B)僅①②
(C)①②③
(D)②④
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統計: A(11), B(7), C(45), D(8), E(0) #3817972
統計: A(11), B(7), C(45), D(8), E(0) #3817972