22.AAPM TG-43號報告建議使用下列何參數做為劑量計算的基礎?
(A)exposure rate constant
(B)air-kerma strength
(C)apparent activity
(D)equivalent mass of radium
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統計: A(145), B(1671), C(43), D(99), E(0) #1635528
統計: A(145), B(1671), C(43), D(99), E(0) #1635528