| 单词 | spiral of archimedes |
| 释义 | spiral of Archimedesnoun Geometry.a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ. Origin of spiral of ArchimedesFirst recorded in 1650–60; named after Archimedes Words nearby spiral of Archimedesspiral joint, spiral lamina of cochlea, spiral ligament of cochlea, spiral line, spiral nebula, spiral of Archimedes, spiral organ, spiral spring, spiral staircase, spiral valve, spiral vein of modiolus Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for spiral of Archimedesspiral of Archimedes nounmaths a spiral having the equation r = a θ, where a is a constant. It is the locus of a point moving to or from the origin at a constant speed along a line rotating around that origin at a constant speed Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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