資料搜尋

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  Dunn et al 2015

  Ctenophora

  Body symmetry

  • URI：http://eol.org/schema/terms/body_symmetry
  • 定義： overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry

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  rotationally symmetric

  • URI：http://eol.org/schema/terms/rotationally_symmetric
  • 定義： Rotational symmetry of order n, also called n-fold rotational symmetry, or discrete rotational symmetry of the nth order, with respect to a particular point (in 2D) or axis (in 3D) means that rotation by an angle of 360°/n (180°, 120°, 90°, 72°, 60°, 51 3⁄7°, etc.) does not change the object
  • 姓名標示：https://en.wikipedia.org/wiki/Rotational_symmetry#Discrete_rotational_symmetry

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