Flying at 1,000 ft. he heard a peculiar noise from the rotors.
在1,000英尺的高度飞行时，他听到旋翼发出一种奇怪的噪音。
rotor blades on a helicopter
直升机的旋翼叶片
ZSL series erivan screen is the most popular choiceness equipment at persent.
ZSL旋翼筛是目前国内使用最广泛的一种精选设备,用于筛除浆料中的浆团及其它非纤维杂质.
Rotor following a stabilizer bar, with the blade perpendicular.
旋翼下面有稳定杆, 与桨叶呈直角.
Like most things, there are a variety of classes for rotary - wing aircraft.
像许多别的东西一样, 旋翼机也有多种分类.
Then the flight dynamics model of the ECR helicopter was constructed.
以此为基础,建立了电控旋翼直升机的飞行动力学模型.
A new way to solve dynamical response of rotor blade in helicopter.
提出了一种全新的计算旋翼桨叶动力响应的方法.
Print and recorded promotional materials of SparrowHawk APV Gyroplanes.
松雀鹰旋翼机的印刷及影视介绍.
An adaptive neural networks controller is designed for tilt rotor aircraft platform.
采用自适应神经网络控制方法,设计出倾转旋翼机模拟平台姿态角控制器.
The LAMV is not operated like traditional fixed -- or rotary - wing aircraft.
LAMV的操作不同于传统的固定翼飞机或旋翼式飞机.
The blade flapping lead - lag angles rotor are vital parameters of a helicopter.
旋翼挥舞角、摆振角是直升机的关键参数.
European helicopter's main rotor blades four, non - bearing and high - strength fiber composite materials.
欧洲直升飞机的主旋翼采用四浆叶 、 无轴承和高强度纤维复合材料制造.
A model for the nonlinear dynamics of a subminiature rotorcraft is established.
建立了超小型旋翼机系统的非线性参数化模型.
Gyrocopter acts as a detector.
旋翼机可以起到侦察器的作用.
Machine rotor diameter of 7 meters.
该机旋翼直径7米.