cissoid.
/sis-oid/US // ˈsɪs ɔɪd //UK // (ˈsɪsɔɪd) //
娘娘腔,鱼鳞状,梭形,母系
Definitions
n.noun · 名词
- 1.
Geometry.
- ›a curve having a cusp at the origin and a point of inflection at infinity. Equation: r = 2a sintan.
Level 3More words in c →
娘娘腔,鱼鳞状,梭形,母系
Geometry.