“河防令”的概念、定义、翻译、参考文献-科学参考

单词	河防令
释义	河防令 Encyclopedia 工学〔中国历代水利法规〕释 Decree on River Management of Jin Dynasty《河防令》中国金代关于黄河、海河水系诸河的河防修守法规。是中国最早的一部防洪行政法规。
随便看	flicker photometer flicking and poking flicking stone pulse flight accidents flight accident symptoms flight altitude flight assistant decision-making flight attendant flight attitude flight block of photography Flight condition flight control flight control actuation system flight control computer system flight control of morphing flight vehicle flight control of multi-rotor vehicle flight control system flight control system build in test flight control system flight test flight control system ground test with an aircraft flight control system software flight crew flight crew emergency exits evacuation demonstration Flight crew operation plan flight data recorder systems

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。