If the backward force is overload, the flight attitude and the safety of the armed helicopter will be affected seriously in the aerial rocket weapon system of armed helicopters.
对于武装直升机载的航空火箭武器系统,如果发射后坐力过大,将对载机的飞行姿态和安全造成严重影响。
based on the accurate six freedom degrees kinetic equations of the air rocket, an optimizing model of calculating air rocket dispersion is established .
本文在精确的六自由度运动方程的基础上，建立了计算航空火箭弹散布的优化模型。
The Research of the Low Launching Backward Force of Special Aerial Rocket Weapon System;
某航空火箭武器系统低发射后坐力研究
The Analyses of the Main Factors Influencing the Accuracy of Fire of Aerial Rockets;
影响直升机载航空火箭射击精度的因素分析
The two astronauts are scheduled to blast off on Monday.
这两位宇航员定于星期一乘火箭升空。
An aircraft takeoff aided by an auxiliary jet or rocket.
助飞用喷气机或火箭帮助航空器起飞
To turn about the vertical axis.Used of an aircraft, a spacecraft, or a projectile.
偏航绕垂直中轴旋转，用于飞机、太空船或火箭
Heping sounding rocket
“和平”号探空火箭
The spaceman flies a rocket,
宇航员乘火箭飞行，
After the crew explored the moon, they would blast off in their spaceship and head back to earth.
宇宙航行员勘探月球以后，他们会在太空船里引发火箭，回到地球。
The structure of an aircraft, such as an airplane, a helicopter, or a rocket, exclusive of its power plant.
机体，弹体，构架航空器的构架，如飞机、直升机、火箭，不包括发电机
NASA says it's prepared to launch shuttle Discovery Saturday despite some concern that flying foam may harm the space shuttle.
美航天航空局说他们准备于周六发射探测号火箭，尽管有些人担心空中浮尘可能会危害到它。
Rockets that pioneered outer space.
开拓外层空间的火箭
the astronauts walked in space without a tether.
火箭把卫星送上了太空。
rocket flight aerodynamics
火箭飞行空气动力学
ALSOR (Air Launched Sounding Rocket)
空中发射的探测火箭
air-breathing rocket engine
空气喷气火箭发动机
aerodynamic characteristics of launch vehicle
运载火箭空气动力特性
When the spaceship separated from the rocket,
太空船与火箭分离时，
With the development of national defense and aerospace industry, detachmentdetection for solid rocket motor is the most pressing issue.
随着国防和航空航天事业的发展,大型固体火箭发动机的脱粘检测成为紧迫问题。