英语词汇“ordnance datum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词

ordnance datum

释义

ordnance /ördˈnəns/

noun

ORIGIN: ordinance

ordnance datum noun

The standard sea-level of the Ordnance Survey, now mean sea-level at Newlyn, Cornwall

Ordnance Survey noun

The preparation of maps of Great Britain and Northern Ireland by the Ordnance Survey (Department) (until 1889 under the Board of Ordnance)

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