13 下列何者會隨著射源至皮表距離(SSD)之改變而有較明顯的變化?
(A) Tissue air ratio(TAR)
(B) Tissue phantom ratio(TPR)
(C) Tissue maximum ratio(TMR)
(D) Percent depth dose(PDD)

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統計: A(10), B(3), C(7), D(361), E(0) #1104686