(来学网)一般人眼识别的密度值范围是
  • A.
    (来学网)0.1~1.0
  • B.
    (来学网)0.1~2.5
  • C.
    (来学网)0.2~3.0
  • D.
    (来学网)0.25~2.0
  • E.
    (来学网)0.5~2.5