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单词 ellipsoid
释义

ellipsoid /ɪ'lɪpsɒɪd//ɪ'lɪpsɔɪd/

英汉-汉英词典
n. 椭圆体
词组 | 习惯用语
您要查找的是不是:
  • ellipsometer n. 偏振光椭圆率测量仪,椭率计
  • ellipsometry n. 椭圆光度法;椭圆偏光法;椭圆对称法
ellipsoid n. 椭圆体;椭面
poinsot ellipsoid 潘索椭球;惯性椭球
deformation ellipsoid [力] 变形椭球体;应变椭球
strain ellipsoid [力] 应变椭球;变形椭球体
prolate ellipsoid 长椭球
Fresnel ellipsoid [光] 菲涅耳椭球
momentum ellipsoid 动量椭球
moment ellipsoid 惯量椭球
jacobi ellipsoid 雅可比椭球
oblate ellipsoid [数] 扁椭球

网络短语:
stress s ellipsoid 应力椭球
polarizability ellipsoid 极化性椭球体;极化率椭球
grs ellipsoid grs80椭球
momental ellipsoid 惯量椭球; 惯性椭球面; 惯量椭圆体;
Everest ellipsoid 埃弗尔士椭球体
ellipsoid arterioles 鞘动脉
英语例句库
  1. Capsule long ellipsoid, ovoid-ellipsoid, or ovoid, septicidal, 4- or 5-valvate.
    蒴果长椭圆形,卵球状椭圆形,卵球形的或,,-或5镊合状。
  2. In this paper, unit moving trihedron is first constructed for a point on the surface of a revolution ellipsoid.
    以旋转椭球体面上某点为原点建立一个大地坐标单位活动坐标架。
  3. Isoperimetric inequality for sphere and ellipsoid is discussed, and the isoperimetric inequality of some region satisfying certain conditions is given.
    全应力的变化范围常用应力椭球方程和应力椭球面来描述。

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原声例句
PBS趣味科普

But! This bulgy “ellipsoid” Earth isn't the whole story either.

但椭圆的地球并不是我们要探讨的全部内容。

BBC Ideas 精选(双语)

In 2006, data gathered by Nasa's Wilkinson satellite suggested that the Universe itself may be an ellipsoid — an oval.

2006 年,美国国家航空航天局的威尔金森卫星收集的数据表明,宇宙本身可能是一个椭圆体——椭圆形。

分钟物理

These dense lumps of rock bump out from the ellipsoid and their mass gravitationally attracts oceans, while valleys in the ocean floor have less mass and the oceans flow away, shallower.

这些稠密的岩石块从椭球体中碰撞出来,它们的质量在引力作用下吸引着海洋,而海床上的峡谷质量较小,上方的海水也因此流走。

中文百科

椭球

椭球

椭球是一种二次曲面,是椭圆在三维空间的推广。椭球在xyz-笛卡儿坐标系中的方程是:

其中ab是赤道半径(沿着xy轴),c是极半径(沿着z轴)。这三个数都是固定的正实数,决定了椭球的形状。

如果三个半径都是相等的,那幺就是一个球;如果有两个半径是相等的,则是一个类球面。

点(a,0,0)、(0,b,0)和(0,0,c)都在曲面上。从原点到这三个点的线段,称为椭球的半主轴。它们与椭圆的半长轴和半短轴相对应。

英语百科

Ellipsoid 椭球

Tri-axial ellipsoid with distinct semi-axes a, b and c
Ellipsoids of revolution (spheroid) with a pair of equal semi-axes (a) and a distinct third semi-axis (c) which is an axis of symmetry. The ellipsoid is  prolate (top) or oblate (bottom) as c is greater than or less than a.
Circular sections of an ellipsoid

An ellipsoid is a closed quadric surface that is a three-dimensional analogue of an ellipse. The standard equation of an ellipsoid centered at the origin of a Cartesian coordinate system and aligned with the axes is

The points (a,0,0), (0,b,0) and (0,0,c) lie on the surface and the line segments from the origin to these points are called the semi-principal axes of length a, b, c. They correspond to the semi-major axis and semi-minor axis of the appropriate ellipses.

近义、反义、联想词
近义词
n.
plane figure, two-dimensional figure

adj.
rounded

反义词
n.
angular, angulate

联想词
spherical球的;cylindrical圆柱形的;convex凸面的;curvature弯曲;conical圆锥形的;triangular三角形的;elliptical椭圆的;planar平坦的;radial半径的;polygon多边形;geometrical几何的;
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更新时间:2025/6/18 12:54:41