5.根據radiation weighting factor(WR),相同的吸收劑量下α-particle產生的生物效應將為X-ray的幾倍?
(A)0.05
(B)0.1
(C)1
(D)20
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統計: A(56), B(45), C(69), D(2182), E(0) #1529523
統計: A(56), B(45), C(69), D(2182), E(0) #1529523
