(来学网)如果窗宽为200,下界CT值是0Hu,那么
  • A.
    (来学网)上界为100Hu
  • B.
    (来学网)上界为200Hu
  • C.
    (来学网)上界为-200Hu
  • D.
    (来学网)上界为-100Hu
  • E.
    (来学网)上界为-300Hu