基本解釋[數(shù)學(xué)]半正合函子詞組短語短語half exact covariant functor [數(shù)]半正合共變函子half exact contravariant functor [數(shù)]半正合反變函子half cooling time exact functor 半正合函子half exact functor更多詞組專業(yè)釋義數(shù)學(xué)半正合函子