飞机在飞行轨迹的最高点，是什么时候，此时距离出发点，也就是关闭引擎的时刻，高度相差多少？，什么时候开始自由落体？
When is the plane at its highest point of its trajectory and how high is it above the point where it started when it turned the engines off when it went into free fall?
通过任务前的规划，我们可以知道要躲开些什么东西，设置什么接收器，在什么样的高度雷达会起作用。
We go through pre-mission planning, and if we're trying to evade something, you can put up receivers, and you understand at what altitude that radar is going to be effective.
教育为什么要如此高度组织化？我们到底在害怕什么？
Why does education need to be so 14 structured? What are we so afraid of?
教育为什么要如此高度组织化？我们到底在害怕什么？
Why does education need to be so 14 structured? What are we so afraid of?
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