53.在質子被動散射式(passive scattering)治療系統中,為避免因為腫瘤位移或擺位誤差而造成劑量不足, 因此會對射程補償器做何處理?
(A)flattening
(B)smearing
(C)hardening
(D)wobbling
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統計: A(24), B(2), C(19), D(7), E(0) #3817888
統計: A(24), B(2), C(19), D(7), E(0) #3817888