火箭是一种先进的飞行器,它自身带有动力装置——火箭发动机。火箭就是依靠这发动机产生的反作用力推进飞行的。第二次世界大战期间苏联的卡秋莎火箭炮就是火箭早期用于军事目的的典型例子。其实火箭是我国古代重大发明之一,早在公元10世纪就已用于军事。火箭与炮弹、炸弹的不同主要在于火箭自身安装动力装置,可将携带的弹头(作战部)推进到数千 A rocket is an advanced aircraft that has its own powerplant - a rocket engine. The rocket relies on the reaction forces generated by this engine to propel the flight. The Katyusha rocket artillery of the Soviet Union during the Second World War was a typical example of the early use of rockets for military purposes. In fact, the rocket is one of the major inventions in ancient China, as early as the 10th century AD has been used for military. Rockets and artillery shells, bombs are mainly different from the rocket itself installed power plant, can carry the warhead (combat unit) to thousands