27.CT儀器實際測量下列何種數值?
(A)線性衰減(linear attenuation)
(B)物理密度(physical density)
(C)質量衰減(mass attenuation)
(D)非線性衰減(nonlinear attenuation)
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統計: A(1320), B(77), C(118), D(33), E(0) #3135734
統計: A(1320), B(77), C(118), D(33), E(0) #3135734