試題詳解

37.SAR是用來計算介質內的散射劑量，請問SAR(d,r_d )、TAR(d,r_d )與TAR(d,0)三者間的關係為 何？（TAR(d,0)代表主射束照野為0×0 cm²）
(A)SAR(d,r_d ) = TAR(d,r_d )＋TAR(d,0)
(B)SAR(d,r_d ) = TAR(d,r_d )－TAR(d,0)
(C)SAR(d,r_d ) = TAR(d,r_d ) × TAR(d,0)
(D)SAR(d,r_d ) = TAR(d,r_d ) ÷ TAR(d,0)