短語詞組短語Backward File Recovery 反向檔案恢復(fù);反向文件恢復(fù);反向檔案復(fù)原;翻譯Backward error recovery 后向恢復(fù);反向錯誤復(fù)原;翻譯;后向錯誤校正backward d recovery 向后恢復(fù)backward recovery time 反向恢復(fù)時間Forward and Backward Recovery 正反恢復(fù)塊技術(shù) 返回 backward recovery