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从广义上,巡航导弹(Crulse Missile)是指在大气层内飞行, 利用气动升力支撑重力,靠推进系统产生的推力克服前进阻力,大部分航迹处于恒速、等高度巡航飞行状态的导弹。1972年前,我国将Cruise Missile译为飞航导弹。自美、苏在战略武器会谈协议和中短程导弹条约中将其列为战略和战区核武器加以限制后,按照约定俗成原则,将射程500千米以上的中远程飞航导弹改称为“巡航导弹”。为了与二战后发展的早期巡航导弹相区别,美国和北约常把20世纪70年代以来发展的新巡航导弹称为现代巡航导弹。
In a broad sense, Crulse Missiles refer to missiles that fly in the atmosphere, use aerodynamic lift to support gravity, thrust generated by propulsion systems to overcome forward resistance, and most of the tracks are in a constant speed, cruise flight at an equal altitude. Before 1972, China translated Cruise Missile into a missile. Since the United States and the Soviet Union set limits on their strategic and theater-based nuclear weapons in the strategic arms talks and short and medium-to-long-range missile treaties, they have renamed the long-range missiles with a range of 500 kilometers or more as “cruise missiles” according to conventional principles. To distinguish it from the early cruise missiles developed after the Second World War, the United States and NATO often refer to the new cruise missiles developed since the 1970s as modern cruise missiles.