56.關於組織與最大劑量比(TMR)的定義,下列何者正確?
(A)
(dose rate at dmax/dose rate at depth)at SSD
(B)(dose rate at dmax/dose rate in air)at SSD
(C)(dose rate at dmax/dose rate at depth)at SAD
(D)(dose rate at depth/dose rate at dmax)at SAD
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統計: A(32), B(19), C(172), D(398), E(0) #1057651
統計: A(32), B(19), C(172), D(398), E(0) #1057651