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1·According to a predetermined trajectory, ballistic missile with rocket engine propulsion takes a flight to intended targets under the action of the control system.

弹道导弹是用火箭发动机推进，在控制系统作用下按预定的弹道飞行至预定攻击的目标。

2·After a short, ballistic flight to about 40 feet (12 metres) altitude, the rocket, which was not equipped with a recovery system, landed nose-first in the frozen ground.

经过短暂，弹道飞行约40英尺(12米)的高空，火箭，这是没有配备一个回收系统，降落鼻首先在冻结的地面。

3·A method of internal ballistic calculation for spinning solid rocket motor has been presented in this paper.

提出了一种旋转固体火箭发动机的内弹道计算方法。

4·The effect of radial vibration of the chamber structure composed of propellant grain and case on the internal ballistic property of solid rocket motor (SRM) was investigated.

研究了由推进剂药柱和壳体组成的燃烧室结构径向振动对发动机内弹道性能的影响。

5·The results of the range experiment indicate that the air ballistic characteristic tested by this method is directive to the research and development of a rocket-propelled acoustic jamming equipment.

靶场实验结果表明，利用该方法所测出的火箭助飞式声干扰器的空中弹道特性对其研制过程有一定指导意义。

6·Ballistic missile technology and rocket science.

弹道技火箭研究。

7·It is realized: when ballistic missile in boost phase is intercepted with CW Laser, its liquid storage and solid rocket engine shells are the brittlest, the survivability is very low;

认为：用激光拦截助推段弹道导弹时，其液体贮箱壳体和固体燃料发动机壳体是最易损的，生存能力很低；