“收敛-扩张喷管”的概念、定义、翻译、参考文献-科学参考

单词	收敛-扩张喷管
释义	收敛-扩张喷管 Encyclopedia 工学喷管分类释 convergentdivergent nozzle收敛-扩张喷管横截面沿轴向先收缩后扩张的尾喷管，是用于超声速飞机发动机的一种常见的尾喷管类型。简称收-扩喷管。
随便看	projective scheme projective second-order curve projective set projective space projective space over a scheme projective special linear group projective special orthogonal group projective special unitary group projective spectrum projective spectrum of a ring projective stationary set projective straight line projective structure projective subcone projective subspace projective surface projective symplectic group projective system projective system of topological groups projective technique projective tensor projective test projective theorem projective theory of surfaces projective topology

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。