robot helicopter造句

A robot helicopter and space suits previously were tested on the island by NASA's Mars-Houghton Project.
Imagine a fleet of robot helicopters, guided only by onboard computers, that could fight forest fires, snoop on drug smugglers, monitor traffic jams, inspect power lines, spray crops, track lost people and map hazardous waste sites.
For the same reasons that helicopters are sometimes superior to airplanes _ the ability to take off from a tight spot like a ship deck, to hover and maneuver nimbly _ robot helicopters would seem to have enormous potential for both warfare and civilian uses.
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