Granulosa-cell monolayer co-culture system has improved the FBI exclusion (49.21%) and maturation ratio (65.08%), but there was no apparent difference.是什么意思_Granulosa-cell monolayer co-culture system has improved the FBI exclusion (49.21%) and maturation ratio (65.08%), but there was no apparent difference.在线翻译_英语_读音_用法_例句