24.下列何種裝置是用來整平電子照野的劑量分布平坦性?
(A)flattening filter
(B)scattering foil
(C)primary collimator
(D)mirror

答案:登入後查看
統計: A(228), B(729), C(12), D(3), E(0) #1053299

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flattening filter用於光...
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