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

单词	Agena family upper stage
释义	Agena family upper stage Encyclopedia 工学“阿金纳”系列上面级释 Agena family upper stage“阿金纳”系列上面级美国第一种液体推进剂通用上面级，是世界上第一种具有三轴稳定和多次起动能力并能执行轨道机动任务的上面级。
随便看	Policy of National Resistance Movement policy of old revolutionary base areas policy of redemption policy of separating secondary lines of business from core business policy of water industry policy on the equalization of high schools policy operation cycles policy owner policy paradigm policy paradox policy pledge loan policy problem identification policy process evaluation policy proposal evaluation policy research center for environment and economy, ministry of ecology and environment of the people's republic of china policy results forecast policy-science of law policy sciences policy sciences movement policy science theory policy science tradition of Lasswell & Dror policy secondary market policy secondary market in the United States policy selection policy space

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。