Symmetry index normal value databank of each sector surface area was established on male and female noses.
初步建立男女外鼻各区域表面积对称指数数据库框架。
The refractive index distribution does not have the rotational symmetry, but concerns with the direction.
折射率分布不具有旋转对称，而是与方向有关。
The refractive index distribution does not have the rotational symmetry, but concerns with the direction.
折射率分布不具有旋转对称，而是与方向有关。
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