1.
Study on the NOE Flight Control and Terrain Following of Attack Helicopter;
武装直升机贴地飞行控制与地形跟随研究
2.
Rotorcraft Nap-of-the-Earth Flight Model-Following Controller Design
直升机贴地飞行模型跟踪控制器设计研究
3.
The hovercraft has an advantage over the aeroplane in that the hovercraft can move straight upwards like a helicopter.
气垫飞行器优于飞机的地方是它能像直升飞机那样直上飞行。
4.
helicopter flight dynamics
直升飞机飞行动力学
5.
To travel by helicopter or transport(someone or something) by helicopter.
用直升飞机乘直升飞机飞行或用直升飞机运载（人或物）
6.
Enemy helicopters were flying around the fringes of the zone.
敌人的直升飞机正在这个地区的边缘飞行。
7.
A place for helicopters to land and take off.
直升飞机场用于直升飞机着陆或起飞的地方
8.
He suggests to take the journey by helicopter.
他建议乘直升飞机旅行。
9.
To go or transport by helicopter.
乘直升飞机前往或旅行
10.
When the vertical climb stops, the helicopter is rotated180 degrees about the yaw axis.
先保持水平直线飞行，当直升机通过操控者后，开始平滑地拉高机头（升舵）使机头朝上垂直爬升。
11.
The pilot landed the helicopter in a rice field.
飞行员将直升飞机降落在一片稻田里。
12.
An airplane built to fly vertically as well as forward.
垂直升降飞机一种既可向前飞亦可垂直飞行的飞机
13.
the long airfoil that rotates to provide the lift that supports a helicopter in the air.
旋转使飞机上升并支持直升飞机在空中飞行的长机翼。
14.
China personal tours fly will buy Helis!
私人旅行旅游飞行将可能购买直升机！
15.
Helicopter Aerodynamic Parameters Identification and Tactical Flight Simulation;
直升机气动参数辨识及机动飞行仿真
16.
and there were no engines light enough at that time to provide the power to lift a helicopter and its pilot off the ground.
而且当时也没有那么轻的发动机提供动力把沉重的直升飞机和飞行员提升起来脱离地面。
17.
A vertical takeoff aircraft is one that can rise straight from the ground.
垂直起飞的飞机是一种能竖直地离地升空的飞机。
18.
Flight Dynamics Modeling for Rotorcraft Flying Quality Evaluation;
直升机飞行动力学模型与飞行品质评估