73.乳房攝影的焦斑尺寸通常介於何範圍?
(A)0.1-0.6 mm
(B)0.8-1.2 mm
(C)1.4-1.6 mm
(D)1.8-2.2 mm

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統計: A(942), B(69), C(12), D(6), E(0) #1059868