The method of determining a sequence in which specific sorted tapes in a file should be processed so as to minimize the total number of merge passes required to create a single file of sequenced records.; 決定順序的方法,文件中經(jīng)過特殊排序的磁帶用此法進(jìn)行處理之后,可使生成順序記錄的單 個文件時所需的歸并遍數(shù)最少。