77.根據AAPM TG-43號報告,F (r,θ)是非等向性(anisotropy factor),定義中歸一化(normalization)的角度
為何?
(A)θ=0°
(B)θ=π/4
(C)θ=π/2
(D)θ=π
答案:登入後查看
統計: A(121), B(861), C(1345), D(86), E(0) #1839265
統計: A(121), B(861), C(1345), D(86), E(0) #1839265
