阿摩線上測驗
44.在spiral CT中，所謂pitch為：
(A)rotation per table feed / slice thickness
(B)slice thickness per rotation / table feed
(C)table feed per rotation / slice thickness
(D)slice thickness per table feed / rotation
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統計： A(465), B(144), C(1508), D(78), E(0) #2407445
統計： A(465), B(144), C(1508), D(78), E(0) #2407445
