From the instant a pilot pulls that handle to the point where he can look up and see a parachute over his head is normally about 1.5 seconds.

从飞行员拉动弹射拉手的那一瞬间到看见降落伞在头顶上打开的时间一般是1.5秒，可就是这么短的时间内，会发生的事情还有很多。

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Its current control action is obtained by solving, at each sampling instant, a finite horizon open-loop optimal control problem, using the current state of the plant as initial state;

它的当前控制作用是在每一个采样瞬间通过求解一个有限时域开环最优控制问题而获得。

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Its current control action is obtained by solving, at each sampling instant, a finite horizon open-loop optimal control problem, using the current state of the plant as initial state;

它的当前控制作用是在每一个采样瞬间通过求解一个有限时域开环最优控制问题而获得。

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