Cycloid

[saiklɒid]

解释:

(noun.) a line generated by a point on a circle rolling along a straight line.

(adj.) resembling a circle .

尤因整理--From WordNet

解释:

(n.) A curve generated by a point in the plane of a circle when the circle is rolled along a straight line, keeping always in the same plane.

(a.) Of or pertaining to the Cycloidei.

(n.) One of the Cycloidei.

编辑:奥马尔