42 若患者的總焦深(depth of focus)為 0.5 D, 則患者的景深(depth of field)為何?
(A) 2.5 D
(B) 2.0 D
(C) 1.5 D
(D) 0.5 D
答案:登入後查看
統計: A(3), B(40), C(13), D(83), E(0) #3497700
統計: A(3), B(40), C(13), D(83), E(0) #3497700