| 单词 | polar axis |
| 释义 | polar axisnoun Mathematics.the fixed line, usually horizontal, from which the angle made by the radius vector is measured in a polar coordinate system. Origin of polar axisFirst recorded in 1890–95 Words nearby polar axisPoland, Poland China, Poland, invasion of, Polanski, polar, polar axis, polar bear, polar body, polar bond, polar cap, polar cataract Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for polar axispolar axis nounthe fixed line in a system of polar coordinates from which the polar angle, θ, is measured anticlockwise 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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