spherical

/ˈsfɛɹɪkəl/ 形容词 C1

中文：球形的、球面的

Shaped as a sphere; being a sphere.
Of, or pertaining to, spheres.
Of a coordinate system, specifying the location of a point in a plane by using a radius and two angles.
Of or relating to the heavenly orbs, or to the sphere or spheres in which, according to ancient astronomy and astrology, they were set.
Of a multivariate probability distribution, to have a covariance matrix equal to the identity matrix up to a multiplicative factor. · a spherical Gaussian distribution

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