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ellipse    音标拼音: [ɪl'ɪps]
n. 椭圆形,椭圆,
n. 椭圆

椭圆形,椭圆,椭圆

ellipse
椭图形

ellipse
n 1: a closed plane curve resulting from the intersection of a
circular cone and a plane cutting completely through it;
"the sums of the distances from the foci to any point on an
ellipse is constant" [synonym: {ellipse}, {oval}]

Ellipse \El*lipse"\ ([e^]l*l[i^]ps"), n. [Gr. 'e`lleipsis,
prop., a defect, the inclination of the ellipse to the base
of the cone being in defect when compared with that of the
side to the base: cf. F. ellipse. See {Ellipsis}.]
1. (Geom.) An oval or oblong figure, bounded by a regular
curve, which corresponds to an oblique projection of a
circle, or an oblique section of a cone through its
opposite sides. The greatest diameter of the ellipse is
the major axis, and the least diameter is the minor axis.
See {Conic section}, under {Conic}, and cf. {Focus}.
[1913 Webster]

2. (Gram.) Omission. See {Ellipsis}.
[1913 Webster]

3. The elliptical orbit of a planet.
[1913 Webster]

The Sun flies forward to his brother Sun;
The dark Earth follows wheeled in her ellipse.
--Tennyson.
[1913 Webster]


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  • Ellipse - Wikipedia
    In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant It generalizes a circle, which is the special type of ellipse in which the two focal points are the same
  • Ellipse One
    That's why we created Ellipse with a 46% larger Rotational Diameter than any other seated elliptical in the world, this provides more Exercise and Range of Motion that's also Super Low Impact, Ultra Smooth and Feels Great!
  • Ellipse - Equation, Formula, Properties, Graphing - Cuemath
    An ellipse is the locus of a point whose sum of distances from two fixed points is a constant Its equation is of the form x^2 a^2 + y^2 b^2 = 1, where 'a' is the length of the semi-major axis and 'b' is the length of the semi-minor axis
  • Ellipse - Math is Fun
    We also get an ellipse when we slice through a cone (but not too steep a slice, or we get a parabola or hyperbola) In fact the ellipse is a conic section (a section of a cone) with an eccentricity between 0 and 1
  • Ellipse | Definition, Properties Equations | Britannica
    Ellipse, a closed curve, the intersection of a right circular cone (see cone) and a plane that is not parallel to the base, the axis, or an element of the cone
  • Ellipse – Definition, Parts, Equation, and Diagrams
    An ellipse is a closed curved plane formed by a point moving so that the sum of its distance from the two fixed or focal points is always constant It is formed around two focal points, and these points act as its collective center
  • ELLIPSE Definition Meaning - Merriam-Webster
    A closed curve consisting of points whose distances from each of two fixed points (foci) all add up to the same value is an ellipse The midpoint between the foci is the center
  • 8. 1 The Ellipse - College Algebra 2e | OpenStax
    This section focuses on the four variations of the standard form of the equation for the ellipse An ellipse is the set of all points ( x, y ) in a plane such that the sum of their distances from two fixed points is a constant Each fixed point is called a focus (plural: foci)
  • Ellipses - Definition, Equations, Types, Properties and Examples | CK . . .
    Definition of an Ellipse An ellipse is the set of all points in a plane such that the sum of their distances from two fixed points, called foci, is constant
  • Ellipse -- from Wolfram MathWorld
    The ellipse is a conic section and a Lissajous curve An ellipse can be specified in the Wolfram Language using Circle [x, y, a, b] If the endpoints of a segment are moved along two intersecting lines, a fixed point on the segment (or on the line that prolongs it) describes an arc of an ellipse





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