3.請依linear energy transfer(LET),把下列放射線,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
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統計: A(84), B(747), C(28), D(44), E(0) #1058258
統計: A(84), B(747), C(28), D(44), E(0) #1058258