题目内容

If the airplane accelerates, it could not continue to keep a level flight with a constant height and keep the same angle of attack.

A. 对
B. 错

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Lowering the nose can conversely increase lift.

A. 对
B. 错

The air is less dense on a hot humid day than a cool dry day.

A. 对
B. 错

模式的特性、、。

1.从实现方法来分模式识别分和；2.从理论上来分，有、、；