backup register [計(jì)算機(jī)科學(xué)技術(shù)]備用寄存器備用緩存器備用暫存器backup reference station [計(jì)算機(jī)科學(xué)技術(shù)]備份參考站backup recovery [計(jì)算機(jī)科學(xué)技術(shù)]備份恢復(fù)backup radar 輔助雷達(dá)backup protection [電] 后備保護(hù)backup power 后備電源 備用電源backup plate [機(jī)] 墊片；靠板backup plan 備份計(jì)劃backup memory [計(jì)] 后備存儲器backup land [土木建筑工程]后勤土地預(yù)留地backup job 支援工作backup interactive line [經(jīng)濟(jì)學(xué)]后備聯(lián)線通訊線路backup injection well [能源科學(xué)技術(shù)]后備注入井backup hydraulic control [能源科學(xué)技術(shù)]后備液壓控制backup hoseline [管理學(xué)]支援水帶線backup generator 備用發(fā)電機(jī)backup for disaster recovery [計(jì)算機(jī)科學(xué)技術(shù)]災(zāi)備backup flooding [能源科學(xué)技術(shù)]保持壓力注水backup fixed disk [電子、通信與自動(dòng)控制技術(shù)]備用固定式磁盤后備固定磁盤[計(jì)算機(jī)科學(xué)技術(shù)]備用固定式磁盤備用固定式磁碟backup file [計(jì)] 備份文件