(来学网)半固体和固体培养基中的琼脂粉含量分别为
  • A.
    (来学网)0.1%~0.3%;1.5%~2.5%
  • B.
    (来学网)0.5%~1.0%;2.0%~3.0%
  • C.
    (来学网)0.3%~0.5%;1.5%~2.5%
  • D.
    (来学网)0.3%~1.0%;2.5%~3.5%
  • E.
    (来学网)1.5%~2.5%;4.5%~5.5%