英语词汇“polar axis”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 axis
释义	polar axis polar axis n. The fixed reference axis from which the polar angle is measured in a polar coordinate system. polar axis n (Mathematics) the fixed line in a system of polar coordinates from which the polar angle, θ, is measured anticlockwise Translations asse polare polar axis polar axis 1. The axis in an equatorial mounting that is parallel to the Earth's axis and hence points toward the celestial poles. 2. See poles. polar axis [′pō·lər ′ak·səs] (crystallography) An axis of crystal symmetry which does not have a plane of symmetry perpendicular to it. (mathematics) The directed straight line relative to which the angle is measured for a representation of a point in the plane by polar coordinates.
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