polygonal number

  • 111Castra — This article is part of the series on: Military of ancient Rome (portal) 753 BC – AD 476 Structural history Roman army (unit types and ranks …

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  • 112Severe weather terminology (United States) — This article describes the United States National Weather Service (NWS) severe weather terminology. The NWS defines precise meanings for nearly all its weather terms. This article describes NWS terminology and related NWS weather scales. Some… …

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  • 113Well drainage — means drainage of agricultural lands by wells. Agricultural land is drained by pumped wells (vertical drainage) to improve the soils by controlling water table levels and soil salinity. Contents 1 Introduction 2 Design 3 Flow to wells 4 …

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  • 114Glock pistol — Infobox Weapon name=Glock caption=The Glock 17 (recent production model) origin=flag|Austria type=Semi automatic pistol is ranged=yes service=1980–present used by=See Users wars= designer=Gaston Glock design date=1980 manufacturer=Glock GmbH unit …

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  • 115Handkea utriformis — Scientific classification Kingdom …

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  • 116Metal Gear Solid — This article is about the original PlayStation game. For the series, see Metal Gear. For the Game Boy Color game, see Metal Gear Solid (Game Boy). Metal Gear Solid …

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  • 117Glock — Infobox Company company name = Glock GmbH company company type = Private foundation = 1963 location city = Deutsch Wagram location country = flagcountry|Austria key people = Gaston Glock, Founder Executive Chairman industry = Arms industry… …

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  • 118Isernia — Infobox CityIT img coa = Isernia Stemma.png official name = Comune di Isernia region = Molise province = Isernia (IS) elevation m = 423 area total km2 = 68.74 population as of = December 31, 2004 population total = 21500 population density km2 =… …

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  • 119Early Modern warfare — is associated with the start of the widespread use of gunpowder and the development of suitable weapons to use the explosive. It was first invented in China and then later spread to the Middle East. It then found its way into eastern Europe… …

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  • 120Subdivision surface — A subdivision surface, in the field of 3D computer graphics, is a method of representing a smooth surface via the specification of a coarser piecewise linear polygon mesh. The smooth surface can be calculated from the coarse mesh as the limit of… …

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