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单词 specific impulse
释义 specific impulsen.(名词)
  1. A performance measure for rocket propellants that is equal to units of thrust per unit weight of propellant consumed per unit time. Also called specific thrust 比冲:单位时间消耗单位质量推进剂率所发出的推力,它用于衡量火箭发动机性能的效率 也作 specific thrust
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