Combined with the GJB and the characteristic of the environment control system of airplane, the ventilation and cooling condition of airborne electronic equipments in factual use environment was investigated;Combined with the life profile, task profile and its environment condition, flight altitude, flight mach number, etc, the stress in reliability test and the problems in those standards in.
结合国家军用标准和飞机环控系统的特点对机载电子设备实际使用中的通风冷却条件进行了研究,结合产品的寿命剖面、任务剖面,针对不同任务的环境条件、飞行高度和飞行马赫数等条件,对产品在可靠性试验中通风冷却应力的施加进行了探索性研究,对现行标准中存在的问题进行了对比研究,阐述了在可靠性试验过程中如何模拟其实际使用中的通风冷却条件,制定出合理、可行的通风冷却试验剖面(包括通风气体流量、温度、湿度和洁净度等参数的确定方法) 。
A new structure of integrated optical flying head (OFH), with both perfect mechanical and optical performance, is designed, which can achieve stable flying height and high signal/noise ratio optical signal during the read/write motion in near field recording (NFR) system.
设计了一种新型一体化光学飞行头,通过对光学飞行头滑块气浮力分布和飞行姿态(飞行高度、仰俯角和滚动角)的数值仿真分析,对滑块气体轴承表面(ABS)形貌参数进行了优化设计,确定了滑块的主要结构参数。
A dual wavelength multistep method for measuring flying height is constructed.
近场存储技术是近年来最具发展潜力的信息存储技术之一,微飞行头与存储介质间的飞行高度测试成为高密度存储的关键。
A calculation method of bumping ground probability of the flight is presented and at the same time the calculation example of bumping ground probability in relation to flight height is also given in the paper.
研究了巡航导弹飞行高度控制系统对应的高度控制误差和地形起伏误差,在综合这两种误差的基础上,提供了一种飞行撞地概率的计算方法,并给出了飞行高度与之对应的撞地概率计算实例。
In the 1∶1 000 000 high precision aeromagnetic reconnaissance performed in central and western Qinghai Tibet plateau, the acquirement of high quality surveying result depends largely on keeping relatively low flying altitude in field work.
在青藏高原中西部开展的 1∶10 0万高精度航磁概查中 ,能否获得高质量的测量效果 ,关键在于能否在野外作业中保持较低的飞行高度。
The pilots dropped to the altitudes under 500ft.
飞行员将飞行高度降低到500英尺以下。
she held more flying records for speed, distance and height than any other man or woman in aviation history.
她是航空史拥有最多飞行记录的飞行员，不论是飞行速度、距离还是飞行高度，不论男人还是女人。
Mach limit altitude
马赫数受限制的飞行高度
Fly over 50,000 feet in training mode.
在训练模式中飞行高度超过50,000英尺。
The Comparing Method between Tracking and Telemetry of Flying Height above Sea Level for Missile
导弹掠海飞行高度遥、外测比对方法
So he stole to their rear and flew at a higher altitude
于是他悄悄地绕到他们后方，升高了飞行高度。
So he stole to their rear and flew at a higher altitude.
于是他悄悄绕到他们后方，提高了飞行高度。
Request winds aloft (upper winds) between Guangzhou and Kun Ming FL210.
请求广州至昆明之间飞行高度层210的高空风。
breakout altitude
转入目视飞行的高度
The plane was then flying at an altitude of 8000 feet.
当时飞机在八千英尺的高度飞行。
The plane be then flying at an altitude of 8000 feet
当时飞机在八千英尺的高度飞行
super high altitude flight
超高空飞行 超高空飞行
Traffic12 o',15 miles, southbound, B747, conveging, FL200.
飞机在正前方15海里，向南飞行，B747，汇合飞行，高度层200。
The plane's flight path climbed to 10, 000metres and then levelled off.
飞机爬升到了1万公尺高度后就水平飞行。
The pilot blacked out for a moment upon reaching such a high altitude.
飞机上升到这样高度时，飞行员昏厥了片刻时间。
They indulge in high-altitude flights and often suffer from a mild degree of oxygen
他们从事高空飞行，并经常是轻度缺氧。
In-flight winds are occurring above a height of 150 meters.
飞行风是150米高度以上出现的风。
FYI, fighter training at 7000m.
通知你，战斗机飞行训练，高度7000米。