单词 | retro-firing |
释义 | retro-firingn. Astronautics. The action or process of firing the retro-rockets of a spacecraft; an instance of this. ΘΚΠ society > travel > air or space travel > space flight > [noun] > specific firing of rockets retro-firing1956 retro-fire1959 de-orbit burn1967 1956 Missiles & Rockets 1 34 HVAR has been used for low-speed runs..and for retro-firing (braking). 1971 Guardian 1 July 1/5 In order to carry out the descent to earth..retro-firing took place at 01.35. 1989 Aviation Week & Technol. (Nexis) 2 Jan. 38 The retrofiring was accomplished two orbits later than originally planned, and it was followed by the automatic reentry. 2009 M. J. L. Turner Rocket & Spacecraft Propulsion (ed. 3) ix. 318 The heat shield..was kept at an angle of 34 degrees to the local horizontal for the ballistic flight, and during retro-firing. This entry has been updated (OED Third Edition, March 2010; most recently modified version published online March 2022). < |
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