Cyclide
[saiklaid]
解釋/意思:
(n.) A surface of the fourth degree, having certain special relations to spherical surfaces. The tore or anchor ring is one of the cyclides.
艾玛手打
[saiklaid]
(n.) A surface of the fourth degree, having certain special relations to spherical surfaces. The tore or anchor ring is one of the cyclides.
艾玛手打