dead reckoning
- IPA[ˌded ˈrek(ə)niNG]
美式
- 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
- the process of calculating one's position, especially at sea, by estimating the direction ...
Oxford Dictionary