““半人马座”系列上面级”的概念、定义、翻译、参考文献-科学参考

单词	“半人马座”系列上面级
释义	“半人马座”系列上面级 Encyclopedia 工学〔空间运输器分类〕释 Centaur family upper stage“半人马座”系列上面级美国于20世纪60年代初研制成功的，世界上第一种以液氧、液氢为推进剂的高性能上面级。
随便看	exchange half-time exchange half-time; exchange half-life exchange hole exchange instability exchange integral exchange interaction exchange lattice exchange mode exchange network exchange of mass exchange of publications exchange of stability exchange of water conservancy data exchange on basis exchange operator exchange permutation exchange potential energy exchange principle exchange property exchanger exchange reaction exchange shop exchange shuffle exchanges of water science and technology between China and other countries exchange sort

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。