英语词汇ordnance datum怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	ordnance datum
释义	Definition of ordnance datum in English: ordnance datum noun British The mean sea level as defined for Ordnance Survey. 〈英〉平均海面（为英国陆军测量局制定）
随便看	provisioners provision for provision for/against provision for/against provision ground provisioning provisionless provisionless provisionment provisionment provision of capital for provision of care provisions provisions provisionss provisive proviso provisor provisorily provisorily provisorium provisors provisorship provisory provisos

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Definition of ordnance datum in English: