It is the latest point in the takeoff roll where a stop can be initiated.

它是在起飞滑跑时仍可停住飞机的最后决策点。

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Takeoff: the pilot receives permission from Local Control (the Tower) to takeoff. The aircraft powers up and begins its takeoff roll.

起飞：飞行员从本场管制(塔台)获得起飞许可，飞机加大油门开始起飞滑跑。

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The total degree of the roll is based solely on the direction of the takeoff.

滚转的总度数完全取决于起飞时的方向。

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Eventually it was our turn, and we were cleared onto the runway by the tower and started our roll for takeoff.

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