In System/38, a subfile record into which a work station user has entered data or a subfile record for which a put or up date operation has been issued with the DDS keyword SFLNXTCHG or DSPATR(MDT) in effect.; 在IBM System/38中的一種子文件記錄,工作站用戶可將數(shù)據(jù)輸入到該子文件記錄中, 或?qū)@一子文件記錄,用數(shù)據(jù)描述規(guī)范關(guān)鍵字SFLNXTCHG或DSPATR(MDT)發(fā)出存放或更新操作。