vs.

    oval 对比 ellipse
    分析 词典对比 组词对比
    (1).中国译典 oval ellipse
    a.
    卵形的, 椭圆形的
    n.
    椭圆形;
    扩展解释:
    a.1. 卵形的;椭圆形的,n.1. 卵形(物)[C]
    【海运】
    椭圆形卵形的,椭圆形的
    n. 【医学】 【医学】
    卵圆形的,椭圆形的
    【机械】
    卵形, 椭圆形
    n.
    椭圆, 椭圆形; [计算机]椭圆
    扩展解释:【电脑术语】
    椭圆(形);省略号
    (2).维基词典 oval ellipse
    A shape rather like an egg or an ellipse.
    A sporting arena etc. of this shape.
    In a projective plane, a set of points, no three collinear, such that there is a unique tangent line at each point. (A tangent line is defined as a line meeting the point set at only one point, also known as a 1-secant.)
    Having the shape of an oval.
    Of or pertaining to an ovum.
    A foci of the ellipse) is constant; equivalently, the conic section that is the intersection of a cone with a plane that does not intersect the base of the cone.
    To remove from a phrase a word which is grammatically needed, but which is clearly understood without having to be stated.
    (3).牛津词典 oval ellipse
    having a rounded and slightly elongated outline or shape like that of an egg
    a body, object, or design with an oval shape or outline
    an oval sports field or racing track.
    a ground for Australian Rules football.
    (4).韦伯斯特词典 oval ellipse
    Of or pertaining to eggs; done in the egg, or inception; as, oval conceptions.
    Having the figure of an egg; oblong and curvilinear, with one end broader than the other, or with both ends of about the same breadth; in popular usage, elliptical.
    Broadly elliptical.
    A body or figure in the shape of an egg, or popularly, of an ellipse.
    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.
    Omission. See Ellipsis.
    The elliptical orbit of a planet.
    简典