22.在深度d處開啟照野r d的狀況下,其SAR(d, r d )(scatter-air ratio)可如何求得?(TAR為 tissue-air ratio)
(A)SAR(d, r d )=SAR(d,0) + TAR(d, 0)
(B)SAR(d, r d )=TAR(d,r d )–TAR(d, 0)
(C)SAR(d, r d )=TAR(d,r d )–SAR(d, 0)
(D)SAR(d, r d )=TAR(d,r d ) + SAR(0, r d )
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統計: A(53), B(1356), C(132), D(43), E(0) #1041430
統計: A(53), B(1356), C(132), D(43), E(0) #1041430