英语词汇dead reckoning怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	dead reckoning
释义	dead reckoningn. calculation of a ship's position from the log, compass, etc., when observations are impossible (根据测程仪、罗盘等的)推测领航
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