lunar lifeboat
(space sciences) In the US Apollo moon program, a lunar module repurposed as a makeshift shelter for an astronaut crew returning to earth after a mishap necessitating cancellation of a moon landing; the emergency procedure of using the lunar module in this manner.
(mathematics, geometry, group theory) Any of a class of groups whose finite cases are precisely the finite reflection groups (including the symmetry groups of polytopes), but which are more varied ...
Obsolete spelling of arsesmart
simple past tense and past participle of anticipate
システム故障で着陸が中止されたとき、乗組員は帰還するまで月面着陸船を臨時の避難所として利用した。
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DiQt
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