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Từ điển Oxford Learners Wordfinder Dictionary
great circle
a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center • Hypernyms: line • Hyponyms: celestial equator, equinoctial circle, equinoctial line, equinoctial, ecliptic, ecliptic, horizon, celestial horizon, hour circle, meridian, line of longitude, vertical circle
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