多层螺旋CT之所以球管旋转一周获得多幅图像,是因为它有( )The reason why multi-slice spiral CT can obtain multiple images by rotating the tube in one circle is that it has ( ) 选项:
A:厚扇形束Thick fan beam B:多排探测器multi-detector C:多个数据采集系统Multiple data acquisition systems D:多个计算机Multiple computers