epitrochoid 的定义
- a plane curve generated by the motion of a fixed point on the radius or extension of the radius of a circle that rolls externally, without slipping, on a fixed circle. The epitrochoid is a generalization of the epicycloid.
更多epitrochoid例句
- The curve may be regarded as an epitrochoid (see Epicycloid) in which the rolling and fixed circles have equal radii.