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paraboloid |
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paraboloid [pə′rab·ə‚lȯid] (engineering) A reflecting surface which is a paraboloid of revolution and is used as a reflector for sound waves and microwave radiation. (mathematics) A surface where sections through one of its axes are ellipses or hyperbolas, and sections through the other are parabolas. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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For a paraboloidal tip, indentation strain is related to the ratio of the contact radius to the tip radius, and the contact radius is directly related to h [ 16, 21 ]. The bridge, spanning 19m, is a delicate hyperbolic paraboloidal structure with an expressed steel frame and glass membrane. Rotation gives the upper surface of the telescope blank a paraboloidal surface instead of the flat surface of ordinary casting. |
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