7 最適合小器官的準直儀(collimator)為?
(A) diverging collimator
(B) pinhole collimator
(C) parallel hole collimator
(D) converging collimator
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統計: A(2), B(18), C(0), D(4), E(0) #2824192
統計: A(2), B(18), C(0), D(4), E(0) #2824192