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单词 dead reckoning
释义 dead reckoning
 Navig.
  1. calculation of one's position on the basis of distance run on various headings since the last precisely observed position, with as accurate allowance as possible being made for wind, currents, compass errors, etc.
  2. one's position as so calculated.
 [1605-15]
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更新时间:2024/11/10 15:00:04