螺旋CT使用的X射线束是()The X-ray beam used in spiral CT is()


螺旋CT使用的X射线束是()The X-ray beam used in spiral CT is()

A.薄扇形束Thin fan beam

B.厚扇形束Thick fan bundle

C.笔直射线束Pencil beam

D.窄扇形束Narrow fan beam

正确答案:厚扇形束Thick fan bundle