例句與造句

1. Knot theory is the study of mathematical knots.
2. A crucial difference between the standard mathematical and conventional notions of a knot is that mathematical knots are closed there are no ends to tie or untie on a mathematical knot.
3. A crucial difference between the standard mathematical and conventional notions of a knot is that mathematical knots are closed there are no ends to tie or untie on a mathematical knot.
4. "' Solomon's knot "'( Latin : " sigillum Salomonis " ) is the most common name for a traditional knot according to the definitions of mathematical knot theory.
5. In mathematical knot theory, "'7 4 "'is the name of a 7-crossing knot which can be visually depicted in a highly-symmetric form, and so appears in the symbolism and / or artistic ornamentation of various cultures.
6. It's difficult to find mathematical knot in a sentence. 用mathematical knot造句挺難的
7. "The aim of mathematical knot theory is to classify what in the natural world often looks like a tangled mess, be it the DNA molecule or the braided rings around Saturn, " said Gregory Buck, chairman of the mathematics department at St . Anselm College in Manchester, N . H.
8. Two mathematical knots are equivalent if one can be transformed into the other via a deformation of "'R "'3 upon itself ( known as an ambient isotopy ); these transformations correspond to manipulations of a knotted string that do not involve cutting the string or passing the string through itself.