dead reckoning

n. 推算航行法, 计算法定位, 推算, 猜测

例句与用法：

It was cloudy; and the captain had to calculate our position by dead reckoning.

空中阴云密布，船长不得不用罗盘测航法以确定我们的位置。

ph.

1. 【空】【海】航位推算

2. 推测; 猜测

dead reckoning

dead reckoning1.■【航空学、航海学】2.■航位推算(法)；航迹推算(法)3.■(用推测法)测定的位置4.■陆标定位法5.■猜测，推测，推算6.■猜想；推测7.■船位推算法

1. [mass noun]the process of calculating one's position, especially at sea, by estimating the direction and distance travelled rather than by using landmarks or astronomical observations
   航位推测
   

dead reckoning

名词 dead reckoning:

an estimate based on little or no information

同义词：guess, guesswork, guessing, shot

navigation without the aid of celestial observations

dead reckoning