单词 | radius of curvature |
释义 | > as lemmasradius of curvature radius of curvature n. the radius of a circle of curvature. ΚΠ 1712 R. Cotes Let. 23 Feb. in I. Newton Corr. (1975) V. 234 In making these rules I take the measure of a degree at any point of the Meridian to be proportionate to ye Radius of the curvature of ye Ellipsis at that point. 1807 C. Hutton Course Math. (ed. 5) II. 320 The radius of a circle which has the same curvature with the curve at any given point, is the radius of curvature at that point. 1908 Proc. Royal Soc. A. 81 392 In the neighbourhood of the vertex of the conic the resistance to bending makes both the principal radii of curvature finite. 2011 Economist 12 Mar. (Technol. Q.) 16/2 These tricks..allow a flexible circuit to be bent with a radius of curvature of less than 0.1 millimetres–in other words, folded like paper–without breaking. < as lemmas |
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