5.下列輻射的relative biological effectiveness(RBE)由高至低排列的順序為何?①10 MeV
proton ②14 MeV neutron ③Co-60 γ-ray ④250 kV X-ray
(A)①②③④
(B)④③②①
(C)②①④③
(D)③④①②
答案:登入後查看
統計: A(277), B(279), C(809), D(168), E(0) #1041493
統計: A(277), B(279), C(809), D(168), E(0) #1041493