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cylindroid n. 曲線島
a. 圓柱形的 曲線島圓柱形的 Cylindroid \Cyl"in*droid\ (s?l"?n-droid), n. [Gr. ky`lindros
cylinder -oid: cf. F. cylindro["i]de.] 1. A solid body resembling a right cylinder, but having the bases or ends elliptical. [1913 Webster] 2. (Geom.) A certain surface of the third degree, described by a moving straight line; -- used to illustrate the motions of a rigid body and also the forces acting on the body. [1913 Webster]
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