symmetry operation

The result of the operation was pleasing with good aesthetic appearance, bilateral symmetry, and inconspicuous scars.

使用这种缩耳手术方式,术后可达到美好的外观, 两耳对称, 及疤痕不明显的目标.

By using stereographic projection of each point group, all symmetry operation and generating operation of the point groups are listed, and group multiplication table of maximal proper point group 822 is filled in.

运用八方晶系各点群的极赤投影图，列出了各点群的所有对称操作；填出了固有点群822的群乘表。

All symmetry operation and generating operation of the point groups were listed, and their group multiplication table of maximal proper point group 10 22 was filled in.

填写出了最大的固有点群1022的群乘表。

Three dimensional orientation face bow was used to evaluate the symmetry of facial shape in the time of 4-6 months after operation.

术后4～6个月，用三维定位面弓对面部软组织外形进行测量，观察患者面形是否对称。