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	ordnance datum noun Brit. 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	illegitimately ill fame ill-fated ill-favoured ill-founded ill-gotten ill health ill humour ill-humoured illiberal illiberality illiberally Illich illicit illicitly illicitness illimitability illimitable illimitably Illinoian Illinois Illinoisan illiquid illiquidity illite

英汉双解词典包含131075条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。