例句與造句

1. It had redundant navigation systems including 54 sonars, an inertial measurement unit, doppler velocity logger, as well as depth gauges and accelerometers.
2. All these systems and redundant navigation mechanism has taken Agni-5 to target within few meters of accuracy after travelling more than 5, 000 km . 
3. Another redundant navigating tool is " Lists of Organizations " which drills down to more lists, and lists of lists, and lists of lists of lists . . . . completely redundant navigation mess, because there are Categories already for organizations.
4. It's difficult to find redundant navigation in a sentence. 用redundant navigation造句挺難的