symmetry
对称性,对称
Related Words
Definitions
- 1
plural sym·me·tries.
- : 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.
- : the proper or due proportion of the parts of a body or whole to one another with regard to size and form; excellence of proportion.
- : beauty based on or characterized by such excellence of proportion.
- : Mathematics. a geometrical or other regularity that is possessed by a mathematical object and is characterized by the operations that leave the object invariant: A circle has rotational symmetry and reflection symmetry.a rotation or translation of a plane figure that leaves the figure unchanged although its position may be altered.
- : Physics. a property of a physical system that is unaffected by certain mathematical transformations as, for example, the work done by gravity on an object, which is not affected by any change in the position from which the potential energy of the object is measured.
Synonyms & Antonyms
Examples
Called the double pentagon, it is made by attaching two pentagons along a single edge and then gluing together parallel sides to create a two-holed doughnut with a rich collection of symmetries.
The four collaborators took advantage of these kinds of search efficiencies in a new way — in particular, they automated considerations about symmetries, where previous work had relied on mathematicians working practically by hand to deal with them.
In order to have structure in the universe, in order for us to exist, you also need to have this beautiful symmetry — that there’s no special observer.
Physicists then revealed the symmetries of elementary particles hidden within the elements’ atoms.
The complicated objects are often collections of mathematical objects — like numbers or symmetries — that stand in a particular structured relationship with each other.
But, he says, what ultimately makes a hat look good on a person is the symmetry of the crown of their head to their jaw line.
In a nice bit of symmetry, 56% of Democrats said that Bush should be impeached in July of 2007, according to a Rasmussen survey.
Somehow, finding a Jew to blame makes up sort of deep symmetry that allows people to comfort themselves that they have an answer.
The symmetry of their experiences only made her more determined to continue her journey.
And he might very well have felt the power of such poetic symmetry.
If now we turn to the higher aspects of form, such as symmetry and proportion, we encounter a difficulty.