Terms for subject Space containing back up

English	Chinese
back-up despin system	备用消旋系统
back-up emergency communication	备用应急通信
back-up facility	备用设施［设备］
Back-up interceptor control	备用拦截控制 (系统，美国地面防空系统的)
back-up radar	备份雷达
back-up radar	辅助雷达
file back-up	文件备份
independent back-up unit	独立备用组件
radar back up for detection	雷达辅助探测系统