单词 | dead reckoning |
释义 | dead reckoning【计】 推算定位 dead reckoning dead reckoning n.(名词)1. Abbr. DRA method of estimating the position of an aircraft or a ship without astronomical observations, as by applying to a previously determined position the course and distance traveled since.缩写 DR船位推测法:一种推测飞机或船的位置的方法,不借助天文观察仪器,而通过从航行的方向和距离的精确位置来推算2. Predictive calculation based on inference; guesswork.推算;猜测:在推论基础上的论断性的计算;猜测语源:1. Possibly alteration of ded. 可能为 ded.的变化 2. abbr. of deduced deduced的缩写 3. from deduce [to trace from the beginning] * see deduce 源自 deduce [由开始探索] *参见 deduce |
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