| 单词 | parametric curve |
| 释义 | > as lemmasparametric curve parametric curve n. a curve obtained by keeping constant one of the parameters in the parametric equations of a surface. ΚΠ 1873 G. Salmon Treat. Higher Plane Curves 65 When the variable curve depends on a parametric point moving on a given parametric curve. 1909 L. P. Eisenhart Treat. Differential Geom. Curves & Surfaces ii. 55 Upon a surface (2) there lie an infinity of curves whose equations are given by equations (2), when u is constant, each constant value of v determining a curve... In a similar way, there is an infinite family of curves v = const. The curves of these two families are called the parametric curves for the given equations of the surface. 1983 W. R. Uttal Visual Form Detection in 3-dimensional Space iii. 59 The three parametric curves in each of these figures represent the data obtained for the three viewing conditions (dichoptic, left monocular, and right monocular) on three successive days. < as lemmas |
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