“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	Administration Measures of Press and Publication Licenses Administration Measures of Press and Publication Statistics administration of archaeological excavation Administration of Chinese Classics administration of Chinese traditional medicines Administration of Court Music administration of cultural relics administration of cultural relics exportation administration of disaster-relief affairs administration of environmental monitoring administration office administration office building administration of geographical names administration of large-scale fireworks show administration of military and civil affairs administration of police affairs administration of private collection of cultural relics administration of public entertainment places administration of public places at high-risk of disorder administration of public security and order administration of public security in hotel industry administration of public security in official seals making business administration of public security in pawnshop businesses administration of radioactive articles Administration of Royal Music

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。