- symmetry set
- 对称集
English-Chinese computer dictionary (英汉计算机词汇大词典). 2013.
symmetry set
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Symmetry set — In geometry, the symmetry set is a method for representing the local symmetries of a curve, and can be used as a method for representing the shape of objects by finding the topological skeleton. The medial axis, a subset of the symmetry set is a… … Wikipedia
Symmetry in physics — refers to features of a physical system that exhibit the property of symmetry that is, under certain transformations, aspects of these systems are unchanged , according to a particular observation. A symmetry of a physical system is a physical or … Wikipedia
Symmetry — For other uses, see Symmetry (disambiguation) … Wikipedia
Symmetry in mathematics — For other uses, see Symmetry (disambiguation) and Bilateral (disambiguation). Symmetry occurs not only in geometry, but also in other branches of mathematics. It is actually the same as invariance: the property that something does not change… … Wikipedia
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
Set theory (music) — Example of Z relation on two pitch sets analyzable as or derivable from Z17 (Schuijer 2008, p.99), with intervals between pitch classes labeled for ease of comparison between the two sets and their common interval vector, 212320. Musical set… … Wikipedia
Symmetry — (Roget s Thesaurus) >Regularity of form. < N PARAG:Symmetry >N GRP: N 1 Sgm: N 1 symmetry symmetry shapeliness finish Sgm: N 1 beauty beauty &c. 845 Sgm: N 1 proportion proportion eurythmy uniformity parallelism … English dictionary for students
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
symmetry — I (New American Roget s College Thesaurus) Regularity of form Nouns symmetry, proportion, balance, parallelism; uniformity, correspondence, congruity, regularity, regular arrangement; order, harmony, eurythmy; shapeliness, form, beauty,… … English dictionary for students
set theory — the branch of mathematics that deals with relations between sets. [1940 45] * * * Branch of mathematics that deals with the properties of sets. It is most valuable as applied to other areas of mathematics, which borrow from and adapt its… … Universalium
One-dimensional symmetry group — A one dimensional symmetry group is a mathematical group that describes symmetries in one dimension (1D). A pattern in 1D can be represented as a function f(x) for, say, the color at position x. The 1D isometries map x to x + a and to a − x.… … Wikipedia
