| 单词 | cyclic region |
| 释义 | > as lemmascyclic region spec. cyclic axis (of a cone of the second order): a line through the vertex perpendicular to the circular section of the cone (Booth, 1852) cyclic constant: the constant by which a many-valued function is increased after describing a non-evanescible circuit or cycle in a cyclic region (Maxwell Electr. & Magn. (1881) I. 18). cyclic planes (of a cone of the second order): the two planes through one of the axes which are parallel to the circular section of the cone (Salmon Analyt. Geom. Three Dim. (1874) 194). Sometimes used of any circular sections. cyclic quadrilateral: one inscribable in a circle (Casey Plane Trigonometry (1888) 184). cyclic region: a region or domain within which a closed line can be drawn in such a manner that it cannot shrink indefinitely without passing out of the region.extracted from cyclicadj.< as lemmas |
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