epicycloid 的定义
Geometry.
- a curve generated by the motion of a point on the circumference of a circle that rolls externally, without slipping, on a fixed circle. Equation: x = cos − b cos[θ/b] and y = sin − b sin[θ/b].
更多epicycloid例句
- The epicycloid shown is termed the “three-cusped epicycloid” or the “epicycloid of Cremona.”
- External epicycloid, described by a circle rolling about a fixed circle inside of it.
- The curve may be regarded as an epitrochoid (see Epicycloid) in which the rolling and fixed circles have equal radii.
- It follows that a line from B to M will always be tangential to the epicycloid.
- Cycloid External epicycloid, described by a circle rolling about a fixed circle inside of it.