简介:Inthepaper,weconsiderMoran-typesetsE_agivenbysequences{a_k}_(k=1)~∞and{n_k}_(k=1)~∞.weprovethatE_amaybedecomposeintothedisjointunionoflevelsets.Moreover,wedefinethreetypeofequivalencebetweentwodimensionfunctionsassociatedtotwoMorantypesets,respectively,andweclassifyMoran-typesetsbytheseequivalentrelations.