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单词 retro-system
释义

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retro-system
retro-system n.
Brit. /ˈrɛtrəʊˌsɪst(ᵻ)m/
,
U.S. /ˈrɛtroʊˌsɪst(ᵻ)m/
a system of retro-rockets.
ΚΠ
1960 Interavia Nov. 1430/1 Launch the test lunar spacecraft by a ballistic rocket, letting it..plunge towards the earth with the retrosystem functioning.
1976 Science 11 June 1069/1 Mars 2 and 3..carried landers as well as retro-systems to achieve orbits.
2007 A. J. Ball et al. Planetary Landers & Entry Probes iv. 46 The retro system may need to be cut off some metres above the surface, to free-fall.
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更新时间:2025/2/3 14:54:03