(来学网)治疗增益系数(TGF)在下述哪种情况下有治疗价值
  • A.
    (来学网)1
  • B.
    (来学网)0.5~1.0
  • C.
    (来学网)大于1
  • D.
    (来学网)小于0.5
  • E.
    (来学网)小于0.25