火箭的作用和用途是什么 发射火箭的作用是什么英文双语对照

1、火箭的实质是一种无人驾驶的飞行器，也叫空间运载工具。人们使用各式各样的火箭，基本目的只有一个：携带物体飞越空间。

2、军用火箭把爆炸装置送向目标；探空火箭把科学仪器送上高层大气层；运载火箭把航天器送入太空；小型助推火箭控制航天器的姿态或修正航天器的飞行轨道。

3、现代火箭可用作快速远距离运送工具，如作为探空、发射人造卫星、载人飞船、空间站的运载工具，以及其他飞行器的助推器等。如用于投送作战用的战斗部（弹头），便构成火箭武器。

4、火箭是目前唯一能使物体达到宇宙速度，克服或摆脱地球引力，进入宇宙空间的运载工具，而火箭的速度是由火箭发动机工作获得的。

1, the essence of the rocket is a kind of aircraft that nobody drive, also call a space means of delivery. People uses sundry rocket, primary purpose has only: Carry an object to fly across a space.

2, rocket of for military use sends exploder to the target; Sounding rocket serves high-level aerosphere scientific instrument; Carrier rocket sends aerospace spacecraft; Small-sized aid the carriage that pushs a rocket to control spacecraft or the flight path of correction spacecraft.

3, contemporary rocket can use as fast remote ship a tool, if regard sounding, emissive orbiter, manned airship, space as the means of delivery of the station, with etc aero roll booster. If be used at casting to send,fight used battle department (warhead) , make rocket weapon.

4, the rocket is current can make the object achieves cosmic exclusively, overcome or cast off earthly gravitation, enter the means of delivery of astrospace, and the rate of the rocket is achieved by rocket motor work.