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  • 71Mathematics of radio engineering — A complex valued function. The mathematics of radio engineering is a pleasant and very useful subject. This article is an attempt to provide a reasonably comprehensive summary of this almost limitless topic. While the ideas have historically… …

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  • 72Iridium (satellite) — Infobox Company name = Iridium Satellite LLC type = Limited liability company genre = foundation = 2001 founder = location city = Bethesda, Maryland location country = United States location = locations = area served = Worldwide key people = Matt …

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  • 732007 NASCAR Nextel Cup Series — season Previous: 2006 Next: 2008 …

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  • 742007 Champ Car World Series season — The 2007 Champ Car World Series Season was the twenty ninth Champ Car World Series, however only its fourth season under the Champ Car title. It began on April 8, 2007 and ended on November 11 after 14 races. Unbeknownst at the time, this would… …

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  • 75performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical.       The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …

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  • 76Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …

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  • 77Indian Navy — crest Active 1947–Present Country …

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  • 78Sasuke (TV series) — Ninja Warrior redirects here. For the unrelated arcade game, see The Ninja Warriors. Sasuke Genre Sports Entertainment, Obstacle Course Narrated by Ichiro Furutachi (1997–fall 2003) …

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  • 79NASCAR on CBS — Genre Auto racing Created by Neal Pilson Directed by Bob Fishman Larry Cavolina Presented by CBS Sports Starring …

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  • 80cañada — /keuhn yah deuh, yad euh/, n. Chiefly Western U.S. 1. a dry riverbed. 2. a small, deep canyon. [1840 50; < Sp, equiv. to cañ(a) CANE + ada n. suffix] * * * Canada Introduction Canada Background: A land of vast distances and rich natural resources …

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