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31Linear regression — Example of simple linear regression, which has one independent variable In statistics, linear regression is an approach to modeling the relationship between a scalar variable y and one or more explanatory variables denoted X. The case of one… …
32Messerschmitt Me 262 — Me 262 Schwalbe Messerschmitt Me 262A Role …
33Naval mine — Polish wz. 08/39 contact mine. The protuberances around the top of the mine, called Hertz horns, are part of the detonation mechanism …
34UH-60 Black Hawk — Infobox Aircraft name= UH 60 Black Hawk caption=UH 60 Black Hawk helicopter. type=Utility helicopter manufacturer=Sikorsky Aircraft Corporation first flight=1974 introduced=1979 retired= status=Active service primary user=United States Army more… …
35Xibalba — In Maya mythology, Xibalba (  /ʃɨˈb …
36General Dynamics F-111 — infobox Aircraft name= F 111 Aardvark caption= An F 111C of the Royal Australian Air Force with its wings unswept in 2006. type= Fighter bomber national origin = United States manufacturer= General Dynamics designer= first flight= 21 December… …
37Bristol Freighter — Infobox Aircraft name= Type 170 Freighter / Wayfarer caption= Bristol Frieghter in Norcanair colours at the Western Canada Aviation Museum c. 2007 type=Cargo aircraft manufacturer=Bristol Aeroplane Company designer= first flight=December 1945… …
38Mikoyan-Gurevich MiG-9 — For the previous aircraft called MiG 9 , see Mikoyan Gurevich MiG 3. MiG 9 …
39Variable-sweep wing — A Variable sweep wing is an aeroplane wing that may be swept back and then returned to its original position during flight. It allows the aircraft s planform to be modified in flight, and is therefore an example of variable geometry.Typically, a… …
40F-84 Thunderjet — Infobox Aircraft name=F 84 Thunderjet type=Fighter bomber manufacturer=Republic Aviation caption=USAF F 84E Thunderjet designer=Alexander Kartveli first flight=28 February 1946 introduced=November 1947 retired= status= primary user=United States… …