题目内容
(请给出正确答案)
[主观题]
对于纵向静稳定飞机,以下哪些临界状态是用来确定重心前限的? Which of the following critical states are used to determine the forward CG limit for the longitudinal static stable aircraft?
A、起飞抬前轮 raise nose wheel off the ground
B、着陆拉平 landing
C、失速配平 stall trim
D、杆力随速度变化梯度为正 Fs~V gradient positive
E、纵向静稳定 longitudinal stable
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