Definition of Terms, ContinuedSolids(Continued)Ellipsoids are geometric surfaces whose plane sections are all ellipses orcircles. Oblate ellipsoids have flattened surfaces at the poles. Ellipsoidsflattened so that the altitude of the polar axis exceeds the equatorial diameterare called prolate ellipsoids.Figure 2-17 shows the polar distortions of ellipsoids.Figure 2-17.—Ellipsoids.2-18
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