- plane symmetry
- 平面对称
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
plane symmetry
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Plane symmetry — means a symmetry of a pattern in the Euclidean plane; that is, a transformation of the plane that carries any directioned lines to lines and preserves many different distances. If one has a pattern in the plane, the set of plane symmetries that… … Wikipedia
plane symmetry — noun Etymology: plane (IV) : symmetry with respect to a plane … Useful english dictionary
Symmetry — For other uses, see Symmetry (disambiguation) … Wikipedia
Symmetry in biology — For other uses, see Symmetry (disambiguation) and Bilateral (disambiguation). Bilateral symmetry redirects here. For bilateral symmetry in mathematics, see reflection symmetry. The elaborate patterns on the wings of butterflies are one example of … Wikipedia
Symmetry (biology) — Bilateral symmetry redirects here. For bilateral symmetry in mathematics, see reflection symmetry. Symmetry in biology is the balanced distribution of duplicate body parts or shapes. The body plans of most multicellular organisms exhibit some… … Wikipedia
symmetry — [sim′ə trē] n. pl. symmetries [< MFr or L: MFr symmetrie (now symétrie) < L symmetria < Gr < symmetros, measured together < syn , together + metron, a MEASURE] 1. similarity of form or arrangement on either side of a dividing line… … English World dictionary
Symmetry — Sym me*try, n. [L. symmetria, Gr. ?; sy n with, together + ? a measure: cf. F. sym[ e]trie. See {Syn }, and {Meter} rhythm.] 1. A due proportion of the several parts of a body to each other; adaptation of the form or dimensions of the several… … The Collaborative International Dictionary of English
symmetry — /sim i tree/, n., pl. symmetries. 1. the correspondence in size, form, and arrangement of parts on opposite sides of a plane, line, or point; regularity of form or arrangement in terms of like, reciprocal, or corresponding parts. 2. the proper or … Universalium
Symmetry group — Not to be confused with Symmetric group. This article is about the abstract algebraic structures. For other meanings, see Symmetry group (disambiguation). A tetrahedron can be placed in 12 distinct positions by rotation alone. These are… … Wikipedia
Symmetry combinations — This article discusses various symmetry combinations.In 2D, mirror image symmetry in combination with n fold rotational symmetry, with the center of rotational symmetry on the line of symmetry, implies mirror image symmetry with respect to lines… … Wikipedia
Symmetry operation — In the context of molecular symmetry, a symmetry operation may be defined as a permutation of atoms such that the molecule or crystal is transformed into a state indistinguishable from the starting state. Two basic facts follow from this… … Wikipedia
