They may also have a backup system for emergencies.

航天器上也可能有应急的后备系统。

Maybe your first computer had a tape backup system.

也许你的第一台电脑还有支持磁带的系统呢。

However, in case the tether tears, the EVA suit has a backup system.

然而，万一绳子扯破了，舱外航天服还有一个后备系统。

But now, I'm just part of a backup system. Technology is working and I supervise.

但现在用了自动驾驶系统之后，我属于一个备份系统。它在工作，我在监督。”

And they had elements of that backup power system that were below flood level—things like switches and other electrical material.

他们拥有低于洪水位的备用电力系统元件，例如开关和其他电气材料。

So if you're currently not using a file backup system like Google Drive or OneDrive or Dropbox or iCloud Drive you probably should be using something.

因此，如果你目前没有使用 Google Drive 或 OneDrive 或 Dropbox 或 iCloud Drive 等文件备份系统，那么你可能应该尝试一下。

Now over the past few years, the crucial elements of systemic resilience that we call redundancy, modularity, circuit breakers and backup systems have been stripped out by corporate strategies.

过去几年来，粮食系统中原有的关键弹性要素──冗余、模块化、保险机制和备份系统已经从企业䇿略中被删除。