| 释义 |
deboost, n. and v. Astronaut.|diːˈbuːst|
[f. de- II + boost n.2]
A. n. The slowing down of a spacecraft by the firing of a retro-rocket; a manoeuvre involving such deceleration.
1966Pop. Sci. Monthly Apr. 118 In an Apollo lunar-landing mission, these critical events will include:..Deboost (slowing by retrofire) into lunar orbit. 1979Aviation Week 1 Jan. 19/1 NASA some time earlier had..determined that no manned or unmanned Soviet hardware had the basic capability for even minimal deboost requirements. 1988Aerospace Amer. Nov. 26/1 Deboost of payloads up to 75,000 lb could start from a 160-n.mi. orbit.
B. v. intr. and trans. To decelerate as a result of or by means of a deboost.
1967Time 10 Nov. 25/1 This combination would prevent anti-ballistic missile radar..from ascertaining the point of impact until the rocket ‘deboosts’—about three minutes and 500 miles from target. 1978Aviation Week 19 June 31/1 Until Skylab reenters the atmosphere on its own or is reboosted or deboosted by the second space shuttle mission. |