A.中位數(shù) B.中位數(shù)-1SD C.中位數(shù)-2SD D.均數(shù) E.P10
A.8-10g B.11-21g C.11-15g D.16-28g E.20-30g
A.200IU B.400IU C.600IU D.800IU E.1000IU