螺旋扫描,螺距0.5,层厚10mm,床速为:()
- A2.5mm/s
- B4mm/s
- C5mm/s
- D10mm/s
- E20mm/s
螺旋扫描,螺距0.5,层厚10mm,床速为:()
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螺旋CT,螺距为1,床速为10mm/s,层厚为()A2.5mmB5mmC10mmD15mmE20mm
螺旋CT,螺距为1,床速为10mm/s,层厚为()A2.5mmB5mmC10mmD15mmE20mm
3、当螺旋CTX线管旋转为360°/S,床速为10mm/S,准直器为10mm时,
当螺旋CTX线管旋转为360°/S,床速为10mm/S,准直器为10mm时,其pitch(螺距)比值为()A100B10C1D0.1E以上都不对
螺旋CT螺距为1,床速为10mm/s,层厚为()A2.5mmB5mmC10mmD15mmE20mm
螺旋扫描,螺距为1,床速为5mm/s,层厚为()AA.2.5mmBB.5mmCC.10mmDD.15mmEE.20mm
螺旋扫描螺距为0.5,层厚为5mm,床速为()A2.5mm/sB5mm/sC10mm/sD15mm/sE20mm/s