“upper-stage”的概念、定义、翻译、参考文献-科学参考

单词	upper-stage
释义	upper-stage Encyclopedia 工学〔空间运输器分类〕释 upper-stage上面级在运载火箭上面增加的、相对独立的一级（或多级），由运载火箭发射进入准地球轨道或地球轨道，自主完成轨道机动、有效载荷分离与部署，将有效载荷送入预定工作轨道或预定空间位置的空间运输器。
随便看	equational division equational logic equationally complete extension equationally definable class equationally equivalent system equation clock equation for ideal gases equation for the components equation in coordinates equation in monic form equation in nonconservation form equation of a circle equation of a curve equation of a minimal surface equation of a plane equation of a straight line equation of a surface equation of boundary layer equation of composite type equation of condition equation of continuity equation of continuity, continuity equation equation of divergence form equation of dynamics equation of entropy production

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。