| 单词 | small circle |
| 释义 | > as lemmassmall circle small circle n. Geometry any circle on the surface of a sphere whose plane does not pass through the centre of the sphere; cf. great circle n. at circle n. 2a. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > closed curve > circle > on a sphere > not passing through centre epicyclec1392 small circle1528 1528 tr. Kalender of Shepeherdes xxxiv. sig. P.vi The fyrst small cyrcle is called the cyrcle artyke bycause of the pole zodyake aboute ye pole artyke. 1657 J. Newton Astronomia Britannica i. 1 A great circle is such a one as divideth the body of the Globe into two equal Hemispheres. And a small circle is that which divideth the same, into two unequal Hemispheres. 1754 J. Robertson Elements Navigation I. iv. i. 118 The diameter of every great circle passes thro' the centre of the sphere; but the diameters of all small circles do not pass thro' the same centre. 1886 Nature 8 Apr. 535/2 A luminous ring passing through the sun encircled the sky, everywhere of the same altitude above the horizon, forming a small circle of the sphere taking the zenith as pole. 2011 J. F. Petersen et al. Physical Geogr. (ed. 10) ii. 28 Any circle on Earth's surface that does not divide the planet into equal halves is called a small circle. < as lemmas |
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