non-power-driven aircraft 非动力驱动的航空器
They could power electrically driven wheels, letting an aircraft taxi without using its main engines.
它们可以给电力驱动的起落架轮子动力，让飞机不用主引擎就能在地面滑行。
The aircraft has the obvious advantages that the aircraft requires very small power to be driven and flying speed can be easily controlled.
本发明的优点是显而易见的，推动这种飞行器所需要的动力很小的，很容易控制飞行速度。
Therefore, a precise definition of the aircraft is: there is a power-driven aircraft, fixed wing aircraft and is heavier than air.
因此飞机的精确定义就是：飞机是有动力驱动的有固定机翼的而且重于空气的航空器。
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