The selected area diffraction patterns from the phase show a fivefold symmetry of a qua-sierystalline structure.
这个相的选区电子衍射花样显示出准晶体结构的五次对称性。
And fivefold, threefold and twofold axes of rotational symmetry.
五重，三重和两重螺旋对称轴。
And fivefold, threefold and twofold axes of rotational symmetry.
五重，三重和两重螺旋对称轴。
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