“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	propofol propoganda timing propolis pro-poor growth pro-poor tourism proportion proportional proportional allocation proportional compasses proportional constant proportional control proportional counter proportional counting proportional counting tube proportional dividers proportional division proportional expression proportional guidance method proportional hazard model proportional hazard regression model proportional hazards model proportional-integral-derivative control proportional integral derivative controller proportional-integral-derivative controller proportional integral derivative regulator

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。