| 释义 |
posigrade, a. Astronautics.|ˈpɒzɪgreɪd|
[f. positive a. and n. + -grade, after retrograde a. and n.]
Of, pertaining to, or designating a small rocket that can be fired briefly to give forward thrust to a spacecraft.
1961Aeroplane C. 152/1 Next, the three small ‘posigrade’ rockets on the blunt face of the capsule are fired to achieve separation from the booster. 1962S. Carpenter in Into Orbit 53 This sends out an electrical impulse which explodes the bolts and fires the posigrade rockets that shove the capsule and booster apart. 1965Time 24 Dec. 35 To change his elliptical orbit into a circle that reached closer to Gemini 7, he made several ‘posigrade’ burns. 1965World Bk. Year Bk. 48/2 It was also necessary to take into account..another figure for the thrust of the small, posigrade rockets that give the spacecraft a gentle separation push away from the booster. |