- prelaunch countdown sequence
- Военный термин: последовательность предстартовых операций
Универсальный англо-русский словарь. Академик.ру. 2011.
prelaunch countdown sequence
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Countdown — For other uses, see Countdown (disambiguation). T Minus redirects here. For the Canadian hip hop producer, see T Minus (producer). A countdown is a sequence of counting backward to indicate the seconds, days, or other time units remaining before… … Wikipedia
Space Shuttle external tank — A Space Shuttle External Tank (ET) is the component of the Space Shuttle launch vehicle that contains the liquid hydrogen fuel and liquid oxygen oxidizer. During lift off and ascent it supplies the fuel and oxidizer under pressure to the three… … Wikipedia
