英语词汇“polar variation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	polar variation
释义	polar variation polar variation [′pō·lər ‚ver·ē′ā·shən] (geophysics) A small movement of the earth's axis of rotation relative to the geoid, the resultant of the Chandler wobble and other smaller movements.
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