Last Updated：2025/12/05
Sentence
打ち上げ前に、エンジニアは軌道予測が一致するように、推進薬および搭載物を含むロケットの総質量を慎重に計算した。
Quizzes for review
Before launch, engineers carefully calculated the rocket's wet mass to ensure the trajectory matched predictions.
See correct answer
Before launch, engineers carefully calculated the rocket's wet mass to ensure the trajectory matched predictions.
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