Dead reckoning
volume
British pronunciation/dˈɛd ɹˈɛkənɪŋ/
American pronunciation/dˈɛd ɹˈɛkənɪŋ/
DR

"dead reckoning"의 정의 및 의미

Dead reckoning
01

navigation without the aid of celestial observations

02

an estimate based on little or no information

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