2.正子造影藥物產生影像的機制為:
(A)光電效應(photoelectric effect)
(B)制動輻射(bremsstrahlung radiation)
(C)成對發生(pair production)
(D)互毀輻射(annihilation radiation)
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統計: A(30), B(26), C(272), D(1877), E(0) #2864890
統計: A(30), B(26), C(272), D(1877), E(0) #2864890