英语词汇“polar coordinates”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	polar coordinates
释义	polar coordinates polar coordinates pl n (Mathematics) a pair of coordinates for locating a point in a plane by means of the length of a radius vector, r, which pivots about the origin to establish the angle, θ, that the position of the point makes with a fixed line. Usually written (r, θ). See also Cartesian coordinates, spherical coordinates po′lar coor′dinates n.pl. two coordinates for locating a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis. [1810–20] polar coordinates 1. Coordinates derived from the distance and angular measurements from a fixed point (pole). 2. In artillery and naval gunfire support, the direction, distance, and vertical correction from the observer/spotter position to the target. polar coordinates polar coordinates [′pō·lər kō′ȯrd·ən·əts] (mathematics) A point in the plane may be represented by coordinates (r,θ), where θ is the angle between the positive x-axis and the ray from the origin to the point, and r the length of that ray. polar coordinates Polar coordinates are often used to uniquely locate, and define, the points in a geometric plane.The coordinates derived from the distance and angular measurements from a fixed point (i.e., pole). Polar coordinates are almost always used in plotting antenna direction patterns.
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更新时间：2025/2/27 11:04:52