合计: think over; figure out的: 4次方是 The fourth power of 2 i ...集合: gather; assemble; muster; ca ...聚合: get together polymerization; ...集合的: aggregate; aggregative; collecting; collective结合的, 聚合的: conjunct聚合的: concentric; polymeric; polymerized集合的并: union of sets集合的补集: complement of a set; complement of set集合的分割: partitions of set集合的分划: partition of a set集合的公理: axiom of aggregation集合的划分: partition of a set; partition of sets集合的基数: cardinality of a set集合的交: intersection of sets集合的界限: boundary of set集合的联合: union of sets集合的内部: interior of a set集合的势: power of a set集合的外部: exterior of a set集合的相交: intersection of sets集合的元素: element; member of a set集体的，集合的: collective定型聚合的: isosteric; isotactic多聚合的: polymeric
