Geometry. The eighth proposition of the third book of Euclid's Elements, which is accompanied by a figure in which a fanlike series of lines are…
| 单词 | θ115720 |
| 释义 | the world > relative properties > number > geometry > line > [noun] > set or system of (12) peacock's tail1570 Geometry. The eighth proposition of the third book of Euclid's Elements, which is accompanied by a figure in which a fanlike series of lines are… harmonicala1746 as n. (plural) Straight lines forming a harmonic pencil; quantities in harmonical progression. Obsolete. pencil1840 Geometry. A set of straight lines meeting in a point. Also more widely: a set of curves of a given order, passing through a number of points… harmonic pencil1862 Mathematics. Applied to the relation of quantities whose reciprocals are in arithmetical progression (e.g. 1, 1/2, 1/3, 1/4,…); or to points, lines… sheaf1863 Physics and Mathematics. A bundle of rays, lines, etc. all passing through a given point. congruency1864 Geometry. A system of lines in which the parameters have a two-fold relation, such as a system of lines each of which twice touches a given surface. linkage1874 The condition or manner of being linked; a system of links. Also, a link; an association or correlation; the process of linking or connecting… congruence1879 Geometry. = congruency, n. 2. Subcategories:— line in (4) |
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