A new control method of a 3-DOF-helicopter device based on digital control;
3自由度直升飞机控制系统设计
Review on using infrared thermal imaging technique on helicopters to inspect equipments of HV transmission lines;
在直升飞机上应用红外热像技术巡视检测高压输电线路设备的回顾
Aiming for the high and new investigating technology methods about helicopter surveying super voltage transmission lines,this article analyses the benefits and methods of helicopter surveying and finds some relative equipment defects by airborne surveying.
针对直升飞机巡检输电线路作业的高新检测技术手段,分析了其优点、巡检方法及通过航测能发现的设备缺陷,并对在国内的开展情况进行了介绍。
The design and construction of one of the world′s newest and most unique heliports are described, a floating facility constructed from styrofoam filled cellular concrete.
介绍了世界上最新的和独一无二的直升飞机场的设计和施工 ,这是一个在分格式混凝土舱中填以聚苯乙烯泡沫塑料块体做成的漂浮设施。
helicopter flight dynamics
直升飞机飞行动力学
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）
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
helicopters and parking apron equipment;
直升飞机及停机坪设备；
helicopter rigid frame system
直升飞机机身硬架系统
It was not long before a helicopter arrived on the scene,
不久，一架直升飞机飞抵飞机失事现场，
A jet flies much faster than a helicopter.
喷气飞机比直升飞机飞得快得多。
helicopter autopilot
直升飞机自动驾驶仪
Another helicopter was shot down.
又一架直升飞机被击落。
HELP (Helicopter Electronic Landing Path )
直升飞机电子着陆系统
A helicopter is used to install a guide wire.
直升飞机用来设置导线。
helicopter aerodynamics
直升飞机空气动力学
He suggests to take the journey by helicopter.
他建议乘直升飞机旅行。
To go or transport by helicopter.
乘直升飞机前往或旅行
You have flied in a helicopter, have not you ?
你坐过直升飞机，对吗?
the operating radius of a helicopter.
直升飞机的作战半径
intermeshing rotors helicopter
交叉旋翼式直升飞机
Specializing in helicopter, general and commercial aircraft parts.
专营直升飞机、用和商用飞机配件。