5.數位透視攝影使用 flat panel image receptor 相較於 charge-coupled device 之優點，下列何者最不適當？
(A)low DQE
(B)distortion-free images
(C)improved contrast resolution
(D)unaffected by external magnetic field

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統計： A(2), B(0), C(0), D(1), E(0) #3976784