“sonic barrier”的概念、定义、翻译、参考文献-科学参考

单词	sonic barrier
释义	sonic barrier Encyclopedia 理学跨声速流动释 sonic barrier声障在飞机发展历程中出现的一个概念，又称音障。大展弦比的直机翼飞机，在飞行速度接近声速时，会出现阻力剧增、操纵性能变差和自发栽头的现象，飞行速度也不能再提高，因此人们曾以为声速是飞机速度不可逾越的障碍，故有此名。 Physics sonic barrier音障
随便看	crime of collecting illegal debts crime of collusion in entering bids crime of commercial espionage crime of commutation,parole,temporary service outside prison by playing favoritism and committing irregularities crime of compelling others to prostitute crime of compulsory indecency, insult crime of concealing or deliberately destroying accounting document,accounting book,or financial statement crime of concealing overseas deposit crime of concealing proceeds or gains of the crime crime of concealment and falsely report on military affairs crime of contractual fraud crime of copyright infringement crime of corruption crime of counterfeiting a patent crime of counterfeiting currency crime of counterfeiting registered trademark crime of counterfeiting tickets or coupons with face value or scalping thereof crime of creating a disturbance with the weaponry crime of damaging and lossing of precious cultural relics due to neglect duty crime of damaging business credit or commodity reputation crime of dangerous driving crime of dangerous operation crime of defamation crime of defecting to the enemy or turning traitor crime of defection

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