navigation without the aid of celestial observations
an estimate based on little or no information 同义词：guess, guesswork, guessing, shot,
In navigation, dead reckoning (also ded (for deduced) reckoning or DR) is the process of calculating one's current position by using a previously determined position, or fix, and advancing that position based upon known or estimated speeds over elapsed time, and course.
例句与用法
1.
Kaufman is never going to see dead reckoning again 考夫曼再也见不到“测航”号了
2.
I won ' t be there , and dead reckoning won ' t be there 我不会到那里， “测航”号也不会去
3.
Dead reckoning has been stolen by your second - in - command “测航”号被你的副指挥官夺取了
4.
Gps dead reckoning function , attitude meter Gps模拟定位系统,姿态仪
5.
Dead reckoning has been stolen by your second - in - command . . “测航”号被你的副指挥官夺取了. .
6.
One way or the other , we got to get our hands on dead reckoning 不管怎样我们得先找到“测航”号
7.
I ' d rather be taking dead reckoning 我更想坐“测航”号
8.
Because i got dead reckoning 因为“测航”号在我手里
9.
Drs - dead reckoning system 推测航行系统
10.
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。
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