dead reckoning
Not upheld.
A tree, Adansonia digitata (and similar species), native to tropical Africa, having a broad swollen trunk and edible gourd-like hanging fruits.
A method of estimating the position of a ship or aircraft by applying estimates of the distance and direction travelled to a previously known position. In respect to ships/boats, it excludes the effect of wind and current on the vessel. Compare with estimated position. Abbreviation: DR
(soccer) To hit the ball with the back of the head
レーダーが使えなくなったとき、航海士は推定航法を用いて、最後に確定した位置からの進行方向と距離を基に船の現在位置を割り出した。
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DiQt
Free
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