| 单词 | parking orbit |
| 释义 | > as lemmasparking orbit parking orbit n. an orbit around the earth or other body in which a space vehicle is temporarily placed, e.g. before being launched further into space. ΘΚΠ society > travel > air or space travel > space flight > [noun] > a space shot or flight > course or trajectory of spacecraft > orbiting > types of orbit parking orbit1941 polar orbit1956 transfer orbit1961 Molniya orbit1981 1941 R. Heinlein in Astounding Sci.-fiction Aug. 76/1 Approaching Earth, he called over the patrol frequency and asked for a parking orbit, as he did not wish to set the Chili down on Earth. 1998 Mod. Astronomer Mar. 47/1 All additional milestones were achieved on schedule.., culminating in attainment of a successful ‘parking orbit’ around the Earth at an altitude of 200 kilometres. < as lemmas |
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