- block group
- группа смежных кварталов переписи (в США), включающая около 1000 человек
Англо-русский толковый словарь по геоинформатике. В.Ю. Андрианов. 2015.
Англо-русский толковый словарь по геоинформатике. В.Ю. Андрианов. 2015.
Block (group theory) — In mathematics and group theory, a block system for the action of a group G on a set X is a partition of X that is G invariant. In terms of the associated equivalence relation on X , G invariance means that : x ≡ y implies gx ≡ gy for all g in G… … Wikipedia
Census block group — A census block group is a geographical unit used by the United States Census Bureau which is between the census tract and the census block. It is the smallest geographical unit for which the bureau publishes sample data, i.e data which is only… … Wikipedia
Block — may refer to: * A way of controlling train movement in railway signalling * Postage stamp block, an attached group of postage stampsObjects* A large concrete or stone brick * Block (sailing), a single or multiple pulley used on sailboats *… … Wikipedia
block — n. interruption obstacle 1) (Am. football) to throw a block at smb. 2) a mental block (when it comes to word games, I have a mental block) 3) (med.) a heart; nerve; saddle block 4) a stumbling block street city square (AE) 5) a city block (the… … Combinatory dictionary
Group 6 element — Group → 6 ↓ Period 4 24 Cr 5 … Wikipedia
Group 10 element — Group 10 redirects here. For the rugby league competition, see Group 10 Rugby League. Group → 4 ↓ Period 4 … Wikipedia
Group 7 element — Group → 7 ↓ Period 4 25 Mn 5 … Wikipedia
Group 9 element — Group → 4 ↓ Period 4 27 Co 5 … Wikipedia
Block B — (BlockBuster) Cyworld Dream Music Festival 23.07.11 Основная информация … Википедия
Group 11 element — Group → 11 ↓ Period 4 29 Cu 5 … Wikipedia
Group 3 element — || Group 3/ungrouped | 7 || **ActinidesThe Group 3 elements are chemical elements comprising the third vertical column of the periodic table. IUPAC has not recommended a specific format for the periodic table, so different conventions are… … Wikipedia