在spiral CT中X光管旋轉360度時，檢查床（patient couch）前進12 mm；而X光束寬度（beam width）是6 mm，則pitch ratio？(A)8：1 (B)6：1

問題詳情

2.在spiral CT中X光管旋轉360度時，檢查床（patient couch）前進12 mm；而X光束寬度（beam width）是6 mm，則pitch ratio？
(A)8：1
(B)6：1
(C)2：1
(D)1.6：1

參考答案

答案：C
難度：非常簡單0.968421
統計：A(0),B(5),C(184),D(1),E(0)

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