《蘋果日報》要聞
2012年10月8日 星期一
BBC News - Home: Drone refuel test 'successful'
BBC News - Home
The latest stories from the Home section of the BBC News web site.
Drone refuel test 'successful'
Oct 8th 2012, 13:55
A test by the American defence research agency Darpa finds unstaffed drones could refuel in the air.
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