单词	polar coordinate
释义	polar coordinate noun : either of two numbers that locate a point in a plane by its distance from a fixed point on a line and the angle this line makes with a fixed line Example Sentences Recent Examples on the Web Leonardo applied a mapping technique developed by Florentine humanist Leon Battista Alberti, who proposed that a town can be mapped using polar coordinates. National Geographic, 21 May 2020 Critical mathematical applications such as Fourier transforms, Riemann zeta functions, Gaussian distributions, roots of unity, integrating over polar coordinates and pretty much anything involving trigonometry employs pi. Randyn Charles Bartholomew, Scientific American, 25 June 2014 Word History First Known Use 1816, in the meaning defined above
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英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。