“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	groundwater in-situ measurement ground water irrigation groundwater irrigation services market groundwater isotopic analysis groundwater level groundwater level and temperature meter groundwater level forecasting groundwater level monitoring groundwater management groundwater management in agricultural irrigation area groundwater management in mining area groundwater management model groundwater management result monitoring groundwater microbial analysis groundwater monitoring groundwater monitoring system groundwater monitoring well groundwater over-exploitation ground water physical monitoring groundwater polluted sites survey groundwater pollution and soil pollution induced by landfills groundwater pollution assessment groundwater pollution control groundwater pollution control technology groundwater pollution/ groundwater contamination

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