This paper describes the contents including the helicopter autorotation coming into lag time, autorotation landing, flight theory determined by flight quality, flight method and pilot technique.

本文从试飞员的角度系统讲述了直升机自转进入滞后时间、自转着陆及飞行品质确定的试飞原理，试飞方法及驾驶技术等内容。

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This paper describes the contents including the helicopter autorotation coming into lag time, autorotation landing, flight theory determined by flight quality, flight method and pilot technique.

本文从试飞员的角度系统讲述了直升机自转进入滞后时间、自转着陆及飞行品质确定的试飞原理，试飞方法及驾驶技术等内容。

youdao