34.若靶區厚度為10 cm,欲採用單一照野的質子射束照射,質子射束採用何種模組使得靶區可得到均勻的劑量?
(A)bragg peak
(B)SOBP
(C)pencil beam using single energy
(D)pristine proton beam
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統計: A(224), B(1536), C(82), D(29), E(0) #1382413
統計: A(224), B(1536), C(82), D(29), E(0) #1382413