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helicoid    
a. 螺旋状的,蜗牛壳状的,回转式的
n. 螺旋体,螺旋面

螺旋状的,蜗牛壳状的,回转式的螺旋体,螺旋面

helicoid
螺旋面


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  • Helicoid - Wikipedia
    The helicoid, also known as helical surface, is a smooth surface embedded in three-dimensional space It is the surface traced by an infinite line that is simultaneously being rotated and lifted along its fixed axis of rotation
  • Home | Helicoid Industries
    The Helicoid™ architecture enhances impact toughness, reduces weight, provides superior structural integrity, safety, reduces raw-material costs, and improve energy efficiency compared to conventional composite laminates
  • Helicoid -- from Wolfram MathWorld
    The (circular) helicoid is the minimal surface having a (circular) helix as its boundary It is the only ruled minimal surface other than the plane (Catalan 1842, do Carmo 1986) For many years, the helicoid remained the only known example of a complete embedded minimal surface of finite topology with infinite curvature
  • Helicoid - Michigan State University
    It is the only Ruled Minimal Surface other than the Plane (Catalan 1842, do Carmo 1986) For many years, the helicoid remained the only known example of a complete embedded Minimal Surface of finite topology with infinite Curvature
  • Helicoid-Catenoid - Virtual Math Museum
    The helicoid and catenoid are a family of minimal surfaces Each surface in the family is isometric to any other, meaning, the length between any two points A and B of any curve on a surface, remain unchanged
  • Helicoid - definition of helicoid by The Free Dictionary
    Arranged in or having the approximate shape of a flattened coil or spiral n Mathematics A surface in the form of a coil or screw [Greek helikoeidēs : helix, helik-, spiral; see helix + -oeidēs, -oid ] American Heritage® Dictionary of the English Language, Fifth Edition Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company
  • HELICOID Definition Meaning | Dictionary. com
    A helicoid is generated mathematically by rotating a plane or twisted curve about an axis at a fixed rate and simultaneously translating it in the direction of the line of axis, also at a fixed rate
  • Helicoid | Word Genius
    Definitions: An object of spiral or helical shape A surface formed by simultaneously moving a straight line along an axis and rotating it around it (like a screw thread)
  • Helicoid - Encyclopedia of Mathematics
    Helicoid 2020 Mathematics Subject Classification: Primary: 53A10 Secondary: 49Q05 [MSN] [ZBL] A ruled surface described by a straight line that rotates at a constant angular rate around a fixed axis, intersects the axis at a constant angle $\alpha$, and at the same time becomes gradually displaced at a constant rate $k$ along this axis
  • The Helicoid – Minimal Surfaces
    Below is an animation showing the associate family from catenoid to helicoid, an isometric deformation This deformation was first described by Heinrich Ferdinand Scherk around 1832, but not in the context of the associate family





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