不像传统的无线遥控飞机，无人驾驶航空器可以自主飞行和导航。
Unlike traditional radio-controlled planes, unmanned aerial vehicles, or U.A.V. 's, have the capacity for autonomous flight and navigation.
机体，弹体，构架航空器的构架，如飞机、直升机、火箭，不包括发电机。
The structure of an aircraft, such as an airplane, a helicopter, or a rocket, exclusive of its power plant.
“水上飞机”一词，包括为能在水面操纵而设计的任何航空器。
The word "seaplane" includes any aircraft designed to manoeuvre on the water.
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