In DPPX/DTMS, a data set that contains a copy of the target data set records of a data base. The copy can be used as a primary source of input for recreating the data base.是什么意思_In DPPX/DTMS, a data set that contains a copy of the target data set records of a data base. The copy can be used as a primary source of input for recreating the data base.在線翻譯_英語_讀音_用法_例句