| 单词 |
umbilical point |
| 释义 |
Umbilical point
| (Geom.) | an umbilicus. See Umbilicus, 5. |
See also: Umbilical umbilical point
umbilical point[əm′bil·ə·kəl ‚pȯint] (mathematics) A point on a surface at which the normal curvature is the same in all directions. Also known as navel point; umbilic. |
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