back-up system

基本解释

This is a back-up system for world agriculture.
这是全球农业的储备系统。
BlackBerry users cursed their devices, which stopped working because of problems at servers for which a back-up system failed to work.
黑莓用户最近对其运营商骂声不断，这主要是因为手机服务器的备份系统不工作而使手机无法正常工作。
If system breakdowns or failures would result in the permanent loss of records, a back-up system should be provided.
如果计算机的故障或失效会导致记录的永久丢失，则应当提供备份系统。
zhuyujiao1972.blog.163.com

The Post reported that a malfunction in Mir's attitude-control system also occurred in March, causing it to list until an alternate back-up system was activated.
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And yet it is a miracle that Voyager 2 managed to send anything back at all, for its main radio system failed soon after launch, and its back-up system proved to be faulty.
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This means that if energy is required on a constant basis then the system needs to be backed-up by conventional sources of power 73% of the time, and there are days when the back-up system is required for more than 90% of the time (In Germany, the industry association insists that renewables uptime averages 10%).
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备份系统
To meet the requirements of storage and back-up systems, putting forward the objective and principle for the system construction and making an investigation for the storage/back-up system products on the basis of objective.4.
3针对存储、备份系统的需求,提出系统建设的目标和原则,并以此为基础对存储、备份系统产品进行调研和技术分析。
后备系统

保障体系
Strategic back-up system include: human resources, organizational structure, financial guarantee, technological creation, brand construction, business culture, etc.
战略保障体系包括人力资源,组织架构,财务保障,技术创新,品牌建设,企业文化等方面。
交通运输工程
备用系统