“parachute”的概念、定义、翻译、参考文献-科学参考

单词	parachute
释义	parachute [`par·ǝ´shüt] ^{AEROSPACE ENGINEERING} 1. A contrivance that opens out somewhat like an umbrella and catches the air so as to retard the movement of a body attached to it. 2. The canopy of this contrivance. ^{MINING ENGINEERING} A kind of safety catch for mine shaft cages.
随便看	principal part principal plane principal plane of stress principal point principal quantum number principal radii principal radii of normal curvature principal ray principal root principal section principal series principal strain principal stress principal value principal vertical circle principal visual ray principle principle of coincidence principle of covariance principle of duality principle of dynamical similarity principle of equivalence principle of inaccessibility principle of insufficient reason principle of least action

科学参考收录了103327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。