短語(yǔ)詞組短語(yǔ)half cooling time exact 半正合的half exact functor [數(shù)]半正合函子half exact contravariant functor [數(shù)]半正合反變函子half exact covariant functor [數(shù)]半正合共變函子half cooling time exact functor 半正合函子 返回 half exact