Since then, several other single-winged rotating aircraft have been developed, but none of these designs has used autorotation or been based on the samara.
自那以后，数种单翼旋转飞行器被发明，但没有一个设计使用了自旋或是基于翅果。
Gliding descent in autorotation is a maneuver used by helicopter pilots in case of engine failure.
当直升机的发动机失效后，自转下滑就成为驾驶员实现安全着陆的唯一有效手段，这需要熟练的驾驶技术。
Objective to explore the normal values of vestibular autorotation test (VAT) in young people.
目的了解健康青年人的前庭自旋转试验(VAT)的正常值。
The landing of a helicopter in autorotation is formulated as a nonlinear optimal control problem.
本文将直升机的自转着陆过程定义为一个非线性的最优控制问题。
ABSTRACT: Objective to explore the normal values of vestibular autorotation test (VAT) in young people.
摘要：目的了解健康青年人的前庭自旋转试验(VAT)的正常值。
The utility model relates to a bat printing machine adjustable magnetic force autorotation sealed ink cup.
一种移印机可调磁力自转密封油墨杯。
The test model was made and an experiment was done to verify the prediction of the autorotation state characteristics for a high-speed rotorcraft scheme.
针对某一高速直升机方案的自转状态，本文设计和建设了试验模型和试验设备，进行了相应的实验研究。
By combining with the machining needs of parallel machine tools, the working space and the law along with the variation of its autorotation Angle were studied.
结合并联机床的加工要求，研究了工作空间及其随自转角的变化规律。
It is composed of a circular autorotation crawling mechanism, a CCD camera, a movement control card based on DSP and a high-resolution image acquisition card, and so on.
该系统由环形自转式运动机构、CCD摄像机以及基于DSP的运动控制卡和高分辨率的图像采集卡等组成。
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。
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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