- speed near ground
- скорость (полёта) у земли
Англо-русский словарь по гражданской авиации. — М.: Скорпион-Россия. В.П. Марасанов. 1996.
Англо-русский словарь по гражданской авиации. — М.: Скорпион-Россия. В.П. Марасанов. 1996.
Ground Control (video game) — Ground Control Developer(s) Massive Entertainment Publisher(s) Sierra On Line … Wikipedia
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Speed of sound — Sound is a vibration that travels through an elastic medium as a wave. The speed of sound describes how much distance such a wave travels in a certain amount of time. In SI Units with dry air at 20 °C (68 °F), the speed of sound is 343 m/s. This… … Wikipedia
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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 — 1. n. & v. n. 1 a the surface of the earth, esp. as contrasted with the air around it. b a part of this specified in some way (low ground). 2 the substance of the earth s surface; soil, earth (stony ground; dug deep into the ground). 3 a a… … Useful english dictionary
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Peak ground acceleration — (PGA) is a measure of earthquake acceleration on the ground and an important input parameter for earthquake engineering, also known as the design basis earthquake ground motion (DBEGM)[1] Unlike the Richter and moment magnitude scales, it is not… … Wikipedia