15.下列有關單一能量窄光子射束半值層（HVL）的敘述何者正確？
(A)1^stHVL = 2nd HVL = 3rd HVL
(B)1^st HVL < 2nd HVL < 3rd HVL
(C)1^st HVL > 2nd HVL > 3rd HVL
(D)1^st HVL , 2nd HVL , 3rd HVL 互不相關

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統計： A(630), B(232), C(94), D(5), E(0) #978842

詳解 (共 1 筆)

Atlas

B2 · 2018/10/24

#3046004

單一能量:1st HVL = 2nd H...

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游離輻射防護與法規p55 窄射束的...

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