single-rotor helicopter

The large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air.

单转子直升飞机上的大的旋转机翼，能够产生拉力使直升飞机升入空中。

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Passengers wearing identical red life jackets walked in single file on the ice toward the helicopter.

身穿红色救生衣的乘客们排成一列向直升机走去。

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Fuxianhu has a large single-spot flight deck to support one medium-size helicopter such as Z-8 and Ka-28, but has no hanger.

抚仙湖型有一个大单-点飞行甲板去支援一架中-型直升飞机，像是Z-8和卡-28，但是没有机库。

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Compared with single-rotor helicopter, the four-rotor VTOL ( vertical take-off and landing) helicopter has smaller propellers, which can reduce the risk of crashing into the surrounding objects. o it can make the flight safer.

四旋翼垂直起降机相对于一般的单螺旋旋翼式直升机可以采用更小的螺旋桨，不至于使裸露在外面的螺旋桨刮到周围物体，从而使飞行变得更加安全。

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In order to analysis the stability and control of the helicopter, a flight mechanical modeling has been founded based on a single-rotor helicopter.

本文以常规单旋翼带尾桨的直升机配平和操稳计算方法为基础，建立了带涵道共轴式直升机飞行动力学模型，对碟形无人直升机进行了配平和操纵性和稳定性分析计算。

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