back-up memory

基本解释

The whole system is controlled by a special computer system provided with back-up memory, key-board, micro-printer and LED display.
专用电脑有后备存贮器、键盘、微型打印机及LED显示器。
DMDS adopts pair of system back-up and mirror-back-up memory technology. So the system has high reliability of metadata management.
具有容错能力的双元数据服务器采用双系统备份、镜像复制存储技术，从而保证了元数据管理的高可靠。
Each side then has to identify all the laptops, smart-phones, memory sticks, network servers and back-up tapes that might store data created by the people in question.
控辩双方必须甄别所有的笔记本电脑、智能手机、记忆棒、网络服务器以及备份磁带，在所有信息中寻找受质疑人所留下的数据；