19.透視攝影中透過自動改變管電壓、管電流或同時改變上述兩者,以達到影像所需之明亮度,下列何者最適合
描述此技術?
(A)automatic brightness control, ABC
(B)automatic exposure control, AEC
(C)analog to digital converter, ADC
(D)asynchronous transfer mode, ATM
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統計: A(853), B(413), C(62), D(10), E(0) #3199157
統計: A(853), B(413), C(62), D(10), E(0) #3199157