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单词 helix
释义

helix

A curve on the surface of a (right‐circular) cylinder that cuts the generators of the cylinder at a constant angle. Thus, it is ‘like a spiral staircase'. The cylinder's geodesics are the helices, meridians, and latitudes.

http://www.math.mcmaster.ca/gabardo/Pictures/animation01a.gif

An animation of a helix.

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更新时间:2025/5/21 6:40:27