1.
If thrust and drag do not equal each other, the airplane can not fly at a constant speed .
如果推力和阻力彼此不相等，飞机就不同能等速飞行。
2.
DYNAMICS OF A MANEUVERING ROTOR IN CONSTANT ACCELERATION AND DECELERATION
飞行器机动飞行时发动机转子等变速运动的动力学特性研究
3.
It records "air data" such as the airplane's speed, heading, altitude, rate of climb or descent, accelerations, and decelerations.
它记录的飞行数据包括飞机的速度、航向、高度、爬升或下降速度、加速以及减速等。
4.
Numerical Simulation Investigation on Plasma Injection for Drag Reduction of Hypersonic Vehicle
高速飞行器等离子体减阻的数值模拟研究
5.
aircraft flying at subsonic speeds.
以次音速飞行的飞机。
6.
The spaceship flies at light speed.
宇宙飞船以光速飞行。
7.
The jet liner waiting for the take- off on the run- way can fly at a speed of 1,200 miles perhour.
在跑道上等候起飞的喷气航班能够以每小时1，200英里的速度飞行。
8.
a subsonic speed, aircraft, flight
亚音速、 亚音速飞机、 亚音速飞行.
9.
Concorde travels faster than sound.
协和式飞机的飞行速度比声速还快。
10.
an unidentified flying object
不明飞行物体,飞碟((或称飞碟等; 略作 UFO))
11.
( of an aeroplane or its pilot)land;land(an aeroplane,etc)
（指飞机或飞行员）着陆; 将（飞机等）降落
12.
These planes had to wing their relatively slow course over a distance of more than twelve hundred miles.
此等运输机，必然以他们较慢的速度飞行一千二百余哩的航程。
13.
a bumpy ride, flight, drive, etc
颠簸的乘行、 飞行、 驾驶等.
14.
Dynamic Characteristics of Hypersonic Flight for Increasing Range Vehicles
增程飞行器高超声速飞行的动态特性
15.
The rocket travels at phenomenal speed.
火箭以惊人的速度飞行.
16.
time of flight velocity selector
飞行时间速度选择器
17.
The carriage went off swiftly.
马车又飞速地行驶了。
18.
the physics of supersonic flight.
超音速飞行的物理性质