“rocket sled”的概念、定义、翻译、参考文献-科学参考

单词	rocket sled
释义	rocket sled [`räk·ǝt ´sled] ^{AEROSPACE ENGINEERING} A sled that runs on a rail or rails and is accelerated to high velocities by a rocket engine; the sled is used in determining G tolerances and for developing crash survival techniques.
随便看	sector boundary sector disk sector display sectored light sector gate sector gear sectorgram sector interleave sector map sector mark sector of fire sector scan sector search sector structure sector wind secular secular acceleration secular determinant secular equilibrium secular parallax secular perturbations secular trend secular variable secular variation secund

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