72.有關閃爍偵檢器(scintillation detectors)組成元件中,以下那種儀器元件可以設定能窗之範圍?
(A)scintillation crystals
(B)photomultiplier tubes
(C)preamplifiers
(D)pulse-height analyzer
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統計: A(114), B(280), C(136), D(1947), E(0) #1838280
統計: A(114), B(280), C(136), D(1947), E(0) #1838280