- covering pair
- мат.накрывающая пара
English-Russian scientific dictionary. 2008.
covering pair
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Covering space — A covering map satisfies the local triviality condition. Intuitively, such maps locally project a stack of pancakes above an open region, U, onto U. In mathematics, more specifically algebraic topology, a covering map is a continuous surjective… … Wikipedia
Covering graph — In the mathematical discipline of graph theory, a graph C is a covering graph of another graph G if there is a covering map from the vertex set of C to the vertex set of G. A covering map f is a surjection and a local isomorphism: the… … Wikipedia
Covering of the eyes — The phrase covering of eyes is found in Genesis 20:16. It is translated literally in Young s Literal Translation. The King James Version inserts the definite article the , absent in the original text. Almost all other versions treat it as a… … Wikipedia
Covering relation — For other uses of Cover in mathematics, see Cover (mathematics). The Hasse diagram of the power set of three elements, partially ordered by inclusion. In mathematics, especially order theory, the covering relation of a partially ordered set is… … Wikipedia
Twisted pair — 25 pair color code Chart Twisted pair cabling is a type of wiring in which two conductors (the forward and return conductors of a single circuit) are twisted together for the purposes of canceling out electromagnetic interference (EMI) from… … Wikipedia
unshielded twisted pair (UTP) wire — Twisted pair cabling without a protective covering … IT glossary of terms, acronyms and abbreviations
TIA J-STD-607 — Covering the grounding and bonding requirements for a building’s electrical system and telecommunications cabling infrastructure, TIA J STD 607 A is a Telecommunications Industry Association’s standard that facilitates the design and installation … Wikipedia
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
homopteran — /heuh mop teuhr euhn, hoh /, adj. 1. homopterous. n. 2. a homopterous insect. [1835 45; see HOMOPTEROUS, AN] * * * ▪ insect order Introduction any of more than 32,000 species of sucking insects, the members of which exhibit considerable… … Universalium
environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… … Universalium
Penrose tiling — A Penrose tiling is a nonperiodic tiling generated by an aperiodic set of prototiles named after Roger Penrose, who investigated these sets in the 1970s.Because all tilings obtained with the Penrose tiles are non periodic, Penrose tilings are… … Wikipedia
