hypocycloid
/hahy-puh-sahy-kloid/US // ˌhaɪ pəˈsaɪ klɔɪd //UK // (ˌhaɪpəˈsaɪklɔɪd) //
下胶体,下环状,下环状物,下环状结构
Definitions
n.名词 noun
- 1
Geometry.
- : a curve generated by the motion of a point on the circumference of a circle that rolls internally, without slipping, on a given circle.
Examples
But the minimum of friction is attained when the two flanks for the tooth are drawn into one common hypocycloid, as in Fig. 53.
The curve generated by rolling on the concave side is called a 'hypocycloid'.
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