| 单词 | ellipsoid |
| 释义 | Word Frequency ellipsoid(ɪˈlɪpsɔɪd) noun a. a geometric surface, symmetrical about the three coordinate axes, whose plane sections are ellipses or circles. Standard equation: x2/a2 + y2/ b2 + z2/c2 = 1, where ±a, ±b, ±c are the intercepts on the x-, y-, and z- axes b. a solid having this shape the earth is an ellipsoid Derived forms ellipsoidal (ɪlɪpˈsɔɪdəl, ˌɛl-) adjective |
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