| 单词 | segment of a sphere |
| 释义 | > as lemmassegment of a sphere b. segment of a sphere: a solid figure bounded by a portion of the surface of a sphere and an intersecting plane. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > formed by cutting solid segment of a sphere1570 sector of a sphere1656 frustum1658 truncated cone or pyramid1704 frustulum1785 wedge1883 1570 J. Dee in H. Billingsley tr. Euclid Elements Geom. xii. sig. 376 Of segmentes, some are greater then the halfe sphere, some are lesse. 1704 J. Harris Lexicon Technicum I Segment of a Sphere, is a part of it cut off by a Plane;..therefore the Base of such a Segment must always be a Circle, and its Superficies a part of the Surface of the Sphere. < as lemmas |
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