79. 下列四種準直儀(collimator),在相同的攝影條件之下,何者具有較高的敏感度(sensitivity)?
(A)低能量全功能型準直儀(low-energy all-purpose collimator)
(B)高解析度準直儀(high-resolution collimator)
(C)中能量準直儀(medium-energy collimator)
(D)高能量準直儀(high-energy collimator)

答案:登入後查看
統計: A(201), B(24), C(1), D(23), E(0) #1096968