英语词汇“dead reckoning”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

dead reckoning

noun [mass noun]

The process of calculating one’s position, especially at sea, by estimating the direction and distance travelled rather than by using landmarks or astronomical observations.In dead reckoning you estimate distance traveled along a given heading as a function of velocity and elapsed time....

It was the Greeks who pioneered modern methods of navigating by calculation rather than by dead reckoning.
At first, crews had to rely on dead reckoning - estimating position by speed, flying time and compass.

单词	dead reckoning
释义	dead reckoning noun [mass noun] The process of calculating one’s position, especially at sea, by estimating the direction and distance travelled rather than by using landmarks or astronomical observations.In dead reckoning you estimate distance traveled along a given heading as a function of velocity and elapsed time.... It was the Greeks who pioneered modern methods of navigating by calculation rather than by dead reckoning. At first, crews had to rely on dead reckoning - estimating position by speed, flying time and compass.
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