比如，拥有较大飞机的人，只需要提前24小时提交他们的飞行计划——而不像单引擎飞机之类的较小飞机的拥有者那样需要提前好几个星期。
Owners of larger jet planes, for example, need only submit their flight plan 24 hours in advance - as opposed to weeks in advance for smaller craft like single-engine planes.
飞机在航程最初的几个小时里应沿巴西海岸线向东北方飞行。
For the first few hours of its flight the plane would have tracked the Brazilian coast heading North-East.
该Harop是车辆发射的无人机，由远程操作员控制，拥有51磅重的弹头和巡航几个小时的能力，能够飞行1000多公里。
The Harop is a vehicle-launched UAV controlled by a remote operator with a 51-pound warhead and capable of flying more than 1,000 kilometers and loitering for hours.
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