| 单词 | 导航系统 |
| 释义 | 〔shoran〕A relatively short-range navigation system by which a ship or an aircraft can determine its position with high precision by measuring the times required for a radar signal to reach and return from each of two ground stations of known position.近程导航系统：一种相对短程的导航系统，利用该系统一艘船或一架飞机可以极其精确地测定自己所处的位置，通过测定雷达信号到达两个位置已知的地面接收站中的每一个站并返回所需的时间来实现〔guidance〕Any of various processes for guiding the path of a vehicle, especially a missile, by means of built-in equipment.导航系统：任一种以其本身装置引导运载工具路径的过程，尤指导弹〔teleran〕An air-traffic control system in which the image of a ground-based radar unit is televised to aircraft in the vicinity so that pilots may see their positions in relation to other aircraft.电视雷达导航系统：把地面雷达的图像播送到邻近地区的飞机中，使得飞行员能看到他们与其它飞机相关位置的空中交通指挥系统〔supergun〕An extremely large, cannonlike gun designed to shoot projectiles over long distances or to launch satellites and spacecraft into orbit without a propulsion or guidance system, as is needed with a missile.巨型炮：似火炮的超大型大炮，用来发射远程火箭，或者将卫星和宇宙飞船送入天体轨道，无需发射导弹所必需的推进或导航系统〔loran〕A long-range navigational system in which position is determined by an analysis involving the time intervals between pulsed radio signals from two or more pairs of ground stations of known position.洛伦：一种长距离导航系统，通过对两个或更多对已知位置的地面站发出的无信电脉冲的时间间隔的分析来测定方位 |
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