“Zone”的概念、定义、习题解题方法及翻译-数学辞典

单词

Zone

释义

Zone

The Surface Area of a Spherical Segment. Call the Radius of the Sphere , the upper and lowerRadii and , respectively, and the height of the Spherical Segment . The zone is aSurface of Revolution about the z-Axis, so the Surface Area is given by

(1)

In the

-plane, the equation of the zone is simply that of a Circle,

(2)

			(3)
			(4)

and



			(5)

This result is somewhat surprising since it depends only on the height of the zone,not its vertical position with respect to the Sphere.

See also Sphere, Spherical Cap, Spherical Segment, Zonohedron

References

Beyer, W. H. (Ed.). CRC Standard Mathematical Tables, 28th ed. Boca Raton, FL: CRC Press, p. 130, 1987.

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