| 单词 | dead reckoning |
| 释义 | dead reckoning (once / 27942 pages) n WORD FAMILY dead reckoning: dead reckonings USAGE EXAMPLES“We learned about dead reckoning, where they sailed by their knowledge of the stars and the currents,” explains Musker. Time(Sep 01, 2016) Sahara desert ants are known to use a kind of dead reckoning to judge distance. New York Times(Jul 25, 2016) They used dead reckoning and followed coastlines as far as they could. Carl Sagan, Cosmos(1980) 1n navigation without the aid of celestial observations Hyper navigation, pilotage, piloting the guidance of ships or airplanes from place to place 2n an estimate based on little or no information Syn|Hyper guess, guessing, guesswork, shot approximation, estimate, estimation, idea an approximate calculation of quantity or degree or worth |
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