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ground penetration

См. также в других словарях:

  • ground-penetrating — /ˈgraʊnd pɛnətreɪtɪŋ/ (say grownd penuhtrayting) adjective able to penetrate the ground: ground penetrating radiation; a ground penetrating missile. –ground penetration, noun …  

  • Ground-penetrating radar — (GPR) is a geophysical method that uses radar pulses to image the subsurface. This non destructive method uses electromagnetic radiation in the microwave band (UHF/VHF frequencies) of the radio spectrum, and detects the reflected signals from… …   Wikipedia

  • Penetration (warfare) — Penetration is a term in warfare referring to the of, and moving past, a defensive military line. The term is associated with both ground and aerial combat.Ground combatPenetration is a strategic military maneuver much like the Pincer maneuver… …   Wikipedia

  • Ground effect in aircraft — Aircraft may be affected by a number of ground effects, aerodynamic effects due to a flying body s proximity to the ground.One of the most important of these effects is the Wing In Ground effect, which refers to the reduction in drag experienced… …   Wikipedia

  • ground-proximity warning system — A system that warns the crew if the aircraft’s current flight path would result in impact with the ground. The system automatically and continuously monitors the aircraft’s flight path with respect to the terrain at all altitudes between 50 and… …   Aviation dictionary

  • ground itch — noun : an itching inflammation of the skin marking the entrance into the body of larval hookworms * * * a disease of the skin of the feet, caused by penetration of hookworm larvae, characterized by a blisterlike eruption and itching. [1815 25,… …   Useful english dictionary

  • ground itch — a disease of the skin of the feet, caused by penetration of hookworm larvae, characterized by a blisterlike eruption and itching. [1815 25, Amer.] * * * …   Universalium

  • Peaceful Penetration — was an Australian tactic (though also used by the New Zealanders), which was a cross between trench raiding and patrolling. The aim was similar to trench raiding (namely, to gather prisoners, conduct reconnaissance, and to dominate no mans land) …   Wikipedia

  • Standard penetration test — The standard penetration test (SPT) is an in situ dynamic penetration test designed to provide information on the geotechnical engineering properties of soil. The test procedure is described in the British Standard BS 1377 9:1990 and ASTM D1586.… …   Wikipedia

  • Cone penetration test — A CPT truck operated by the USGS. The cone penetration test (CPT) is an in situ testing method used to determine the geotechnical engineering properties of soils and delineating soil stratigraphy. It was initially developed in the 1950s at the… …   Wikipedia

  • Air Support in Ground Operations — ▪ Primary Source       1st U.S. Army Report of Operations 20 Oct. 1943 1 Aug. 1944       In its official “after action” report on the conduct of the first phase of Operation Overlord (the code name for the Normandy Invasion), the U.S. First Army… …   Universalium

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