加否 meaning in Chinese

diyaavoru

But we got few colonies when pgcs were cultured on sto extracellular matrix or on 0 . 1 % gelatin even in brl - cm . ( 8 ) with the support of sto feeders , addition of growth factors is not reqired for survival and proliferation of curtured porcine pgcs ( p > 0 . 05 )
( 8 )以sto细胞为饲养层，培养液中加否生长因子对eg培养效果影响不大( p 0 . 05 ) ，但培养液中加入生长因子后，对eg细胞培养传代更有利。