“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	long-format book Longfusi Book Market Longgang Qu Longgang Sites Group Longgan Hu Longgao Bandao Long Gong Long Guanhai Longgupo Site Longguzhou Longhai Garden in Zhengzhou Longhai Qu longhand division long homology sequence long homotopy sequence Long Hong longhorn beetle longhorn graph long house Longhua Ethnic Museum Longhua Funeral Parlor of Shanghai City Longhua Memorial Place of Revolutionary Martyrs Longhua pagoda Longhua Qu Longhu area, Zhengdong new district, Zhengzhou, China

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。