The orientation of the minimal safe flight height is researched.
提出了最小安全飞行高度的有向性问题。
In addition, the effects of flight height, flight velocity, and radius of water droplet on droplet trajectories were also investigated.
此外，还研究了飞行高度、飞行速度及水滴半径对水滴撞击特性的影响；
The categorization is based on 4 parameters, namely, flight height, flight Mach number, engine rotational speed and overload on the engine center of gravity.
选取了飞行高度、飞行马赫数、发动机转速以及发动机重心法向过载等4个参数作为分类的原始依据参数。
Due to the lower flight height and the slower flight speed of helicopter, Compared with the fixed wing airplane, the visual system of helicopter flight simulator has the particularity in visual scene.
由于直升机飞行高度低、飞行速度较慢，直升机飞行模拟器的视景系统具有特殊性。
Flight attendants, firefighters, and police officers have to be over a certain height, and be physically fit.
空乘人员、消防员和警察必须超过一定的身高，并且身体健康。
Flight attendants, firefighters and police officers have to be over a certain height, and be physically fit.
空乘人员、消防员和警察必须超过一定的身高，并身体健康。
Although this flight ended in a successful landing, the graph in Figure 2 shows several large spikes (the blue line) in height measured by radar.
尽管这次飞行以成功着陆结束，图2中的图表还是显示出一些陡峭的峰值（蓝线）。
During its test flight, Tycho Brahe reached a height of 1.7 miles (2.8 kilometers), the Post reported.
邮报报道说，在试飞期间，第谷·布拉赫到达了1.7公里（2.8千米）的高度。
Knowing well her part, she ascended a flight of wooden steps, and was thus displayed to the surrounding multitude, at about the height of a man's shoulders above the street.
她深知自己此时的角色的意义，举步登上一段木梯，站到齐肩高的台上，展示在围观人群的众目睽睽之前。
The influence of flight parameters and interferometric processing on the accuracy of forest canopy height was discussed.
在飞行参数和干涉处理在森林树冠高度精度的影响进行了讨论。
HB-SIA completed its first test flight in April this year, flying for 87 minutes at a height of 1, 200m.
太阳能飞机HB - SIA今年4月已经完成了首次试飞，当时在1200米的高空持续飞行87分钟。
HB-SIA completed its first test flight in April this year, flying for 87 minutes at a height of 1,200m.
太阳能飞机HB - SIA今年4月已经完成了首次试飞，当时在1200米的高空持续飞行87分钟。
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。
The atmosphere data measure system plays a very important role in an aircraft system and it provides the height and velocity information and so forth for the flight control system.
大气数据测量系统是飞行器的重要组成部分，为飞行控制系统提供高度和速度等重要的信息源。
The hot-air balloon doesn't depend on power, but float by means of wind. Because the wind direction and speed vary with the height, the driver can choose the proper height as the flight required.
但是，由于风在不同的高度有不同的方向和速度，驾驶员可以根据飞行需要的方向选择适当的高度。
The international technology actuality of flight test in height-speed envelope and the essentiality of the technology are introduced in this paper.
本文介绍了“回避区”飞行试验技术现状和回避区飞行试验技术的重要性，提出了进行回避区飞行试验的程序和内容。
As the aircraft reached a certain height, flight attendants started to serve drinks and then the meal.
飞机飞行到一定的高度，乘务员开始提供饮料和餐食。
As the aircraft reached a certain height, flight attendants started to serve drinks and then the meal.
飞机飞行到一定的高度，乘务员开始提供饮料和餐食。
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