dead reckoning
短语航位推算法
发音
US
词形变化
dead reckonings
复数
dead reckonings
别名
ded reckoning
DR
释义与例句
n.
-
1.
A method of estimating the position of a ship or aircraft by applying estimates of the distance and direction travelled from 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
可数 不可数
词汇关系
同义词 4
上位词 7
词源
Uncertain. Not short for deduced or deductive, but this belief explains the alternative spelling ded reckoning (which actually originated centuries later).
来源：wiktionary