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spheroid 音标拼音: [sf'ɪr,ɔɪd]

n. 球状体,回转椭圆体

球状体,回转椭圆体

WordNet (r) 3.0 (2006) (WordNet)

spheroid
n 1: a shape that is generated by rotating an ellipse around one
of its axes; "it looked like a sphere but on closer
examination I saw it was really a spheroid" [synonym:
{spheroid}, {ellipsoid of revolution}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Spheroid \Sphe"roid\, n. [L. spheroides ball-like, spherical,
Gr. ???; ???? sphere e'i^dos form: cf. F. sph['e]ro["i]de.]
A body or figure approaching to a sphere, but not perfectly
spherical; esp., a solid generated by the revolution of an
ellipse about one of its axes.
[1913 Webster]

{Oblate spheroid}, {Prolate spheroid}. See {Oblate},
{Prolate}, and {Ellipsoid}.
[1913 Webster]

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英文字典中文字典相关资料:

Spheroid - Wikipedia
A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters
Spheroid - Wikiwand
A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters
Spheroid -- from Wolfram MathWorld
A spheroid is an ellipsoid having two axes of equal length, making it a surface of revolution
Spheroid - Wikiwand
A spheroid, also known as an ellipsoid of revolution or rotational ellipsoid, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters
Geometry - Spheroids - TechnologyUK
A spheroid is a three-dimensional shape that can look like either a stretched or a flattened sphere A spheroid is the shape that is traced out by rotating an ellipse about one of its two main axes
Earth ellipsoid - Wikipedia
An Earth ellipsoid or Earth spheroid is a mathematical figure approximating the Earth's shape and size, used as part of a reference frame for coordinates and computations in geodesy, astronomy, and the geosciences
Spheroid - Math is Fun
A spheroid is a squashed sphere Try different styles in this animation here: A spheroid can be made by taking an ellipse and rotating it about
Oblate spheroid | geometry | Britannica
Quick Summary An oblate spheroid is a type of ellipsoid formed by revolving an ellipse about its minor axis This shape is characterized by having two equal semi-axes and a third, shorter semi-axis In simpler terms, it's like a squashed sphere, wider around the middle than it is from pole to pole 1
Spheroid Definition Meaning | Britannica Dictionary
spheroid (noun) spheroid ˈ sfiɚˌoɪd ˈ sfeɚˌoɪd noun plural spheroids Britannica Dictionary definition of SPHEROID [count] technical : an object that is somewhat round but not perfectly round
The shape of things to come: How spheroid geometry guides multicellular . . .
A key finding, the researchers say, is that the precise shape of the original spheroid—regions where the culture is slightly oblong or otherwise deviates from a perfectly spherical shape

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