航天

Objective To offer reference of the screening procedure for aircrew and astronaut selection.

目的探讨发作性头痛的脑波涨落图特征，为航空航天作业人员选拔提供参考方法。

This paper introduces the geneses and developing of digital compass in brief. Also expatiates digital compass s background theory , including airmanship spatial orientation theory and attitude dynamics etc.

本文简要介绍了数字航向仪的起源与发展状况，并介绍了数字航向仪的相关理论背景，包括航天导航技术、空间定位学和姿态动力学等理论。

As a thermal compensation device, bellows expansion joints can compensate for the pipeline's thermal growth and the equipment's movement, and absorb the pipeline's vibration, which have characteristics such as simple assembly, good airtightness, a small area coverage, durability, reliable quality, large compensation quantity, and so on.

波形膨胀节作为热补偿元件，能够补偿管道的热变形、机械位移和吸收管线振动，具有装配简单、气密性好、占地面积小、工作可靠、补偿量大等优点，在航空航天、核电、石油化工、水利、城建、电力、冶金等领域得到了广泛应用。

"We are now authorized to declare the so-called airworthiness of our own rolling bearings, which means that they can be used in aviation applications", said Edgar Streit, Head of FAG Aerospace Development.

"我们现在受权宣布我们自己的，滚动轴承所谓的适航性，这意味着它们可以在航空应用中"，埃德加赖特说，在FAG的航天发展总监。

Algae has been applied to interesting problems in aerospace and related fields for more than a decade.

Algae在这去的十多年间已经被用于航天和相关领域的许多有趣的问题。

By adopting one step synthesizing method, the polymerization of directly aroma cyclizing of alkyne and nitrile is simple.

聚合反应通过炔腈直接芳环化，合成方法简单，采用一步法的合成方法，超支化聚合物显示出高亮度和高发光效率，具有耐高温，耐腐蚀，比重轻，强度高等特点，可望作为用于航天的高性能材料。

Especially the high performance of permanent alnico magnet, with its high coercive force and stability, lower coefficient of Br and excellent temperature stability, can be used in aviation and space flight that need relay, short circuiter, contactor, etc.

特别是高性能的永久磁铁磁钢，其高矫顽力和稳定性，降低系数的Br和良好的温度稳定性，可用于航空和航天飞行需要中继，短期circuiter ，接触器等

Our company long-term production and marketing of a variety of specifications and performance NdFeB, ferrite, magnetic rubber, magnetic button and Samarium Cobalt, Alnico, magnetic tile magnetic materials and other products, widely used in aerospace, electronics and electrical, plastic hardware, handicrafts, machinery and other related industries.

我公司长年生产销售各种规格以及性能的钕铁硼、铁氧体，橡胶磁、磁钮及钐钴、铝镍钴、磁瓦等各种磁性材料产品，广泛应用于航空航天领域、电子以及电机、塑胶五金、工艺品、机械等相关行业。

The linear system optimum control theory distributes one of parameter systembasic topics,in domains and so on aerospace,national defense,finance,communicationhas the widespread application prospect.simultaneously, because the research tech-nique involves to foundation mathematics theories and so on the functional analysis,analysis situs,geometry, algebra.

线性系统的最优控制理论是分布参数系统的基本课题之一，在航空航天、国防、金融、通讯等领域有着广泛的应用前景。同时，由于研究手法涉及到泛函分析、拓扑学、几何学、代数学等基础数学理论。

It is used to reproduce the angular motion and attitude of flight vehicles.

三轴仿真转台系统是飞行器半实物仿真系统最重要的组成部分之一，它的性能的优劣直接关系到仿真实验结果的可靠性，因此对仿真转台系统的研究对航空、航天工业和国防建设的发展具有重要的意义。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。