step by step就可以 G8DIig<
"`gZy)E
point1: Location of the first copy that resides in the center of the circular array. U W)&Eky
copies1: Number of copies along the spoke (including the center copy). nIKT w
point2: Distance between the spoke copies and direction of initial spoke. =qR7-Q8B
copies2: Number of spokes.