查询词典 helicopter

After years of practice and exploration, the company made great contributions to helicopter operations on patrol inspection of 500kv EHV electric power transmission line, live EHV transmission line insulator flush, hotline maintenance, wire setting-out, laser scanning and patrol inspection of UHV transmission line, filling in the gaps in the country and ensuring the safe stable operation of power network. The company has operations in the 500KV EHV Air Patrol, live maintenance, exhibition guide rope release, laser scanning and 1000KV Air Patrol operations and other special high-voltage electrical work on the helicopter filled a number of technical blank, to further ensure the security and stability of power grid to make an important contribution.

在多年的实践探索中，公司先后在500千伏超高压航巡作业、带电水冲洗绝缘子、带电检修、展放导引绳、激光扫描和1000千伏超高压航巡作业等直升机电力作业上填补了国内多项技术空白，为进一步确保电网的安全稳定运行做出了重要贡献。

She said she had been hoping to make a midday helicopter tour with her 13-year-old son Lorenzo, but arrived shortly after the doomed helicopter had left. When she called two days ago to reserve a flight, they told her to show up at the heliport on Saturday between noon and 1 p.m.

她说她本来要和她13岁的儿子Lorezo儿子搭乘正午的直升飞机旅游，但是他们比预定的直升机起飞时间晚了一点。2天谴，当她打电话想预留航班时，他们告诉了她周六中午到1点有一架。

The effects of ground on trimming and maneuvering control were studied.Taking a typical helicopter as an example,the trims for steady flight with different velocities and altitudes were first solved.Then control laws for lateral jink maneuver were obtained for helicopter NOE flight.The calculation results conform to the ground effect theory,and load factor and control variation of the maneuver can be used for reference.

以某直升机为算例，在近地飞行和考虑不同速度与高度时，分别进行了直升机稳定飞行时的配平计算，然后以侧向紧急转弯机动为例，对机动操纵规律的问题进行了计算分析，计算结果与地面效应的理论相符合，机动过载和操纵变化规律可以为飞行试验提供借鉴。

Troy Brown said the Black Hawk helicopter was in the air for nearly three hours, and the Kiowa helicopter was airborne for about one hour.

特洛伊上尉布朗说，黑鹰直升机在空中近3个小时，而基奥瓦直升机约一小时空中。

The helicopter blade running elevation measurement is the kernel part of helicopter blade dynamic balance experimental platform system, also is the main part of this dissertation.

论文从国内外对旋翼共锥度的测量方法出发，对几种测量方法进行比较分析，最后确定采用激光测量的方法。对激光测量的测量原理和测量误差进行了分析，对系统关键参数进行了计算。

In the first, the background of this dissertation, the he status which helicopter blade dynamic balance experimental platform system design and using are introduced, helicopter blade dynamic balance experimental platform system is not designed in our country, so in this Dissertation, the advanced experience is accepted and some innovative methods also are used in the system design.

此论文通过借鉴国内外对直升机旋翼动平衡试验台系统设计的经验，确定采用当今较新与较成熟的技术构建了集数据采集与控制为一体的试验控制系统来满足整个动平衡试验的要求。另外还对直升机旋翼动平衡试验台系统方案设计中各分系统作了简单介绍，并通过和以往系统比较分析，在借鉴前人经验的基础上进行了创新。此论文主要介绍了直升机旋翼共锥度测量分系统的设计与实现。

The robust stability analysis of three degrees of freedom helicopter singular systems is complex and difficult to design. Based on state-space theory, the linear dynamics model of three degrees of freedom helicopter was constructed.

针对三自由度直升机奇异系统鲁棒稳定性分析复杂，且难以设计稳定的控制器问题，基于状态空间方法建立了三自由度直升机模型的线性动力学系统模型。

At the last, some maneuver flight simulations are calculated with the six-degree model. Somersaulting flight of helicopter is analyzed simply. It is obtained that the limit of overload is important in somersaulting flight of helicopter.

最后，运用六自由度仿真模型进行机动飞行仿真计算，对直升机筋斗飞行作初步探讨，得出过载限制是直升机作筋斗飞行的重要障碍。

In this paper, the flow properties of helicopter landing and taking-off region and its influence on flight safety are introduced first, then the flow of flight deck is simulated using finite element method on the basis of Navier-Stokes equations, and the simulated results are compared with test results. The helicopter flight properties on flight deck is discussed, and it is point...

本文首先介绍了直升机舰载起降区域的气流流动特点及其对飞行的影响，然后以纳维—斯托克斯方程为基础，利用有限元法对甲板区域的气流流动进行了仿真计算，并将仿真结果与实验结果做了对比，分析了直升机在该甲板区域内的飞行特点，指出应重视流场对飞行安全的影响。

Which is Europe's helicopter helicopters produced by EC-135 series of the latest model is a high performance light twin-engined multi-purpose helicopters, widely used around the world. The first production aircraft in 1996 to enter the German air rescue helicopter companies use has more than 300 EC135 in 27 countries, more than 100 units of the flight.

该款直升飞机是欧洲直升飞机公司生产的EC-135系列中的最新型，是一种性能优异的轻型双发动机多用途直升飞机，在全世界广泛使用。1996年首架生产型直升飞机进入德国空中援救公司使用，至今超过300架EC135在27个国家的一百多个单位飞行。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了