Conoid - Wikipedia
网页In geometry a conoid (from Greek κωνος 'cone' and - ειδης 'similar') is a ruled surface, whose rulings (lines) fulfill the additional conditions: (1) All rulings are parallel to a plane, the directrix plane. (2) All rulings intersect a fixed line, the axis. The conoid is a right conoid if its axis is perpendicular to its directrix plane.
Conicoid Definition & Meaning - Merriam-Webster
网页The meaning of CONICOID is a surface of second degree : quadric.
CONICOID 释义 | 柯林斯英语词典 - Collins Online Dictionary
网页CONICOID 释义: a quadric , esp. a hyperboloid , paraboloid, or ellipsoid | 意思、发音、翻译及示例.
conicoid - 百度百科
网页The conicoid fitting method used for transforming GPS elevation, and the basic structure and mathematic formulas of BP algorithm of neural networks are introduced briefly in this paper.简要介绍了转换GPS高程的二次曲面拟合法，以及神经网络BP算法的基本结构和数学公式。. Non spherical surface lens can get rid of ...
Definition:Conicoid - ProofWiki
网页A conicoid is a $3$-dimensional figure whose plane sections are all conic sections. Examples. Definition:Conicoid/Examples. Also known as. A conicoid is also known as a conoid. Also see. Results about conicoids can be found here. Sources. 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... ... : conicoid (conoid)
欧路词典|英汉-汉英词典 conicoid是什么意思_conicoid的中文解释和发音_conicoid的翻译_conicoid …
网页『欧路词典』为您提供conicoid的用法讲解，告诉您准确全面的conicoid的中文意思，conicoid的读音，conicoid的同义词，conicoid的反义词，conicoid的例句。
conicoid - 维基词典，自由的多语言词典 - 維基詞典
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Conicoids - Active Optics - Bedford Astronomy Club
网页2024年2月10日 · The conicoids are rotational symmetry aspherics whose meridian sections belong to the conic family. These shapes are represented by. (1 + k) z2 - 2Rz + r2 = 0, (1.37) where R = 1/c is the radius of curvature and k the conic constant, also called the Schwarzschild constant, which characterizes the asphericity since k = 0 generates a sphere.
CONICOID Definition & Meaning | Dictionary.com
网页Conicoid definition: a quadric, especially a hyperboloid, paraboloid, or ellipsoid.. See examples of CONICOID used in a sentence.
conicoid - 维基词典，自由的多语言词典 - 維基詞典
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