9.放射診斷的制動輻射能譜,其最大數量的X光發射能量,大約在最大能量的何處?
(A)33%
(B)10%
(C)66%
(D)1%
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統計: A(1036), B(18), C(46), D(74), E(0) #3283389
統計: A(1036), B(18), C(46), D(74), E(0) #3283389