“Proton D family upper stage”的概念、定义、翻译、参考文献-科学参考

单词	Proton D family upper stage
释义	Proton D family upper stage Encyclopedia 工学〔运载火箭分类〕释 Proton D family upper stage“质子”号D系列上面级俄罗斯研制的一个系列上面级，“质子”号D系列上面级与“质子”号运载火箭组合用于执行卫星发射任务。
随便看	Galactic nucleus galactic nucleus Galactic orbit galactic pericenter Galactic plane galactic plane Galactic pole galactic pole Galactic potential galactic primary gas clouds Galactic radio astronomy galactic radio astronomy Galactic radio astrophysics galactic radio astrophysics Galactic radio emission galactic radio emission Galactic radio noise Galactic radio radiation galactic radio radiation Galactic radio spur Galactic ridge Galactic rotation galactic rotation Galactic rotation curve galactic rotation curve

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。