单词 | true north |
释义 | > as lemmastrue north true north n. north as determined by the earth's axis of rotation (as opposed to magnetic north). ΚΠ 1570 J. Dee in H. Billingsley tr. Euclid Elements Geom. Math. Præf. sig. aiiijv Of the Variacion of the Compas, from true Northe. 1773 J. Draper Navigator's Veni-mecum 21 In most places there is a sensible deviation from true north. 2009 Financial Times 20 May 15/4 Grid north depends on the map one is using; it differs from true north, defined as the direction towards the geographic north pole. < as lemmas |
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