进入客舱后请您关闭手机，在整个飞行过程和地面滑行阶段都不要使用。
Please do not use your mobile phone, and do not put it on during the whole flight or taxing.
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。
They could power electrically driven wheels, letting an aircraft taxi without using its main engines.
重点研究和推演了飞机地面滑行中拦阻钩的二类振动运动学及其微分方程特性；
The first is bounce kinematics produced by hook motion through a smooth runway or a runway with obstructions following touch-down from a sinking approach;
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