单词 | Spherical Spiral | ||||||||||||
释义 | Spherical SpiralThe path taken by a ship which travels from the south pole to the north pole of a Sphere while keeping afixed (but not Right) Angle with respect to the meridians. The curve has an infinitenumber of loops since the separation of consecutive revolutions gets smaller and smaller near the poles. It is given by the parametric equations
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Gray, A. Modern Differential Geometry of Curves and Surfaces. Boca Raton, FL: CRC Press, p. 162, 1993. Lauwerier, H. ``Spherical Spiral.'' In Fractals: Endlessly Repeated Geometric Figures. Princeton, NJ: Princeton University Press, pp. 64-66, 1991. |
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