21.關於增感屏-底片攝影(screen-film radiography)的影像雜訊來源,下列何者正確?
(A)影像接收板雜訊(image receptor noise)
(B)電子雜訊(electronic noise)
(C)光學缺點(optical defects)
(D)機械缺點(mechanical defects)
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統計: A(598), B(239), C(41), D(8), E(0) #979059
統計: A(598), B(239), C(41), D(8), E(0) #979059