70.針對附圖的137 Cs 能譜,其能量解析度為何?
(A)7%
(B)14%
(C)21%
(D)28%
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統計: A(37), B(16), C(8), D(4), E(0) #3977419
統計: A(37), B(16), C(8), D(4), E(0) #3977419
70.針對附圖的137 Cs 能譜,其能量解析度為何?
(A)7%
(B)14%
(C)21%
(D)28%