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  1. dead reckoning

    • IPA[ˈded ˈrek(ə)niNG]
    • n.
      the process of calculating one's position, especially at sea, by estimating the direction and distance traveled rather than by using landmarks, astronomical observations, or electronic navigation methods.
    • noun: dead reckoning

    • 更多解釋
    • n.
      the process of calculating one's position, especially at sea, by estimating the direction ...

    Oxford Dictionary

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