49 在動態的強度調控多葉式準直儀校驗中,下列何者不屬於機械上的測試項目?
(A) stability of leaf speed
(B) leaf acceleration and deceleration
(C) positional accuracy of leaves
(D) multileaf collimator transmission

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統計: A(10), B(33), C(29), D(67), E(0) #1062625