Not known Details About Crystal
This idea applies equally in a single, two, and three-dimensional Areas. The whole crystal lattice could be built by consistently reproducing the sample in the device mobile in all directions.③、粗抛光：是将模具压出之毛胚，以金刚石盘直接磨出成品之刻线。④、细抛光：在粗抛光之后，以抛光粉来磨成品