“emergency power unit”的概念、定义、翻译、参考文献-科学参考

单词	emergency power unit
释义	emergency power unit Encyclopedia 工学飞机第二动力系统释 emergency power unit应急动力装置飞机第二动力系统中，在飞机飞行过程中出现主电源和（或）液压源故障时，驱动应急液压泵和（或）应急发电机向飞机提供应急液压能和（或）应急电能的小型涡轮动力装置。
随便看	quadratic mapping quadratic mean quadratic measure quadratic module quadratic non-residue quadratic non-residue modulo m quadratic optimization quadratic performance index quadratic phase array quadratic polynomial quadratic programming quadratic programming problem quadratic rate of convergence quadratic rate of increase quadratic reciprocity quadratic reciprocity law quadratic reciprocity theorem quadratic recurrence equation quadratic representation quadratic residue quadratic residue modulo m quadratic residue symbol quadratic residue theorem quadratic risk quadratic root

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