阿摩線上測驗
76.下列何者最差？
(A)pinhole collimator
(B)converging collimator
(C)high resolution parallel hole collimator
(D)general purpose parallel hole collimator
答案：登入後查看
統計： A(152), B(50), C(25), D(129), E(0) #3492144
統計： A(152), B(50), C(25), D(129), E(0) #3492144
