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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
  • What does it mean that the helicoid can glide over itself?
    Such a surface is known as a generalized helicoid, and $C$ is a generating curve In a sense described below, every generalized helicoid can "slide along itself " Without further context, the helicoid refers to a surface swept by a line perpendicular to an axis under a group of helical motions of pitch $1$
  • 29 Facts About Helicoid
    What is a helicoid? A helicoid is a type of surface in geometry that looks like a twisted plane Imagine a spiral staircase without steps, just the handrail This shape is fascinating because it appears in both nature and technology For example, DNA strands and certain types of screws have helicoid structures Why does it matter?
  • 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
  • helicoid
    The helicoid is the surface swept out by a line that always intersects a fixed axis at right angles and that rotates uniformly as its point of intersection moves uniformly along the axis This line intersects any cylinder concentric with the axis in a helix
  • What is a Helicoid? - Definition from Trenchlesspedia
    A helicoid, in the context of trenchless construction, is defined as a section of auger flight The shape of a helicoid is defined by its pitch, its inside diameter, whether it turns to the left or to the right around the drill string and the thickness of the material from which it’s made





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