按稳定尾旋的条件对飞机运动方程组作了简化。

In this paper, the non-linear differential equations of aircraft motion are simplified by the condition of steady spin.

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这些研究结果对于进一步研究大范围飞机运动控制系统的设计和实现提供了理论依据。

These results give a theoretical foundation for further studying the design and realization of control system of airplane's large_scale motion.

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为了提高中程飞行冲突探测的精确性，有必要为飞机运动建立一个更精确的概率模型。

To increase the accuracy of mid-range conflict detection, designing a more ac-curate probabilistic model of aircraft motion is necessary.

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When you have a velocity in the moving plane frame and you want to find the velocity on the ground, you should add to every object in the plane the velocity of the plane with respect to the ground.

当你在运动的飞机上运动,然后你想找到相对于地面的速度,你就应该给每个物体加上,飞机相对于地面的速度

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Or maybe you could be wanting to try some extreme sports like skydiving, jumping out of an airplane.

又或者你想尝试一些极限运动，比如跳伞，直接从飞机上跳下来。

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