单词 | great circle |
释义 | great circle (once / 9456 pages) n WORD FAMILY great circle: great circles USAGE EXAMPLESA heartbroken man walks in great circles, so Goldman and designer Misha Kachman have him parade through the seats of the small Theater J auditorium. Washington Post(Mar 23, 2016) From there, the madness spread through the debate: a great circle of abuse spun around fast enough to fling all sense away. The Guardian(Feb 14, 2016) It was not long before most of the townspeople had gathered around us in a great circle. Avi, Crispin: The Cross of Lead(2002) n a circular line on the surface of a sphere formed by intersecting it with a plane passing through the center Exp|Hypo|Hyper Greenwich Meridian the meridian passing through Greenwich; was internationally adopted as the earth's zero of longitude in 1884 International Date Linean imaginary line on the surface of the earth following (approximately) the 180th meridian celestial equator, equinoctial, equinoctial circle, equinoctial line the great circle on the celestial sphere midway between the celestial poles eclipticthe great circle representing the apparent annual path of the sun; the plane of the Earth's orbit around the sun; makes an angle of about 23 degrees with the equator equatoran imaginary line around the Earth forming the great circle that is equidistant from the north and south poles celestial horizon, horizonthe great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth hour circlea great circle on the celestial sphere that passes through both celestial poles line of longitude, meridianan imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator vertical circlea great circle on the celestial sphere passing through the zenith and perpendicular to the horizon observer's meridiana meridian that passes through the observer's zenith prime meridianmeridian at zero degree longitude from which east and west are reckoned (usually the Greenwich longitude in England) magnetic meridianan imaginary line passing through both magnetic poles of the Earth line a spatial location defined by a real or imaginary unidimensional extent |
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