29.在電子射束治療中,常利用CET(coefficient of equivalent thickness)來對不均質組織作修正,
緻密骨(compact bone)的CET值約為多少?
(A)1.65
(B)0.5
(C)1.5
(D)2.0
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統計: A(829), B(32), C(51), D(62), E(0) #1050428
統計: A(829), B(32), C(51), D(62), E(0) #1050428