9. 下列放射線,LET由大到小排列,何者正確?①60Co ②250 kV X-ray ③10 MeV protons ④2.5 MeV α-particles
(A)③④②①
(B)④③②①
(C)①②④③
(D)②④①③
答案:登入後查看
統計: A(135), B(1653), C(84), D(79), E(0) #2408873
統計: A(135), B(1653), C(84), D(79), E(0) #2408873