backup guidance造句

After eight hours, backup guidance systems took over, and NEAR stabilized.
Its cargo includes a new backup guidance computer and supplies needed for repairs in the aftermath of a June 25 orbital collision.
It will be used initially as a propulsion module and later to store fuel, and as a service area with living and experimentation space as well as backup guidance, navigation and control for the station.
The Pentagon has long acknowledged that its navigation and guidance systems can be flummoxed by interference, and sought to install weapons and vehicles with backup guidance systems _ or ensure troops could use old-fashioned maps and compasses in the case that GPS is blocked.
It's difficult to find backup guidance in a sentence. 用backup guidance造句挺难的