“flight information region”的概念、定义、翻译、参考文献-科学参考

单词	flight information region
释义	flight information region Encyclopedia 工学空域管理释 flight information region；FIR飞行情报区为提供飞行情报服务和告警服务而划定范围的空域。
随便看	direct product G-set direct product lattice direct product Lie group direct product mapping direct product module direct product of algebras direct product of distributions direct product of groups direct product of modules direct product of rings direct product of sets direct product of sheaves direct product of topological groups direct product ring direct product set direct product space direct product topology direct proof direct proportion direct proportionality direct proton decay direct radiation grafting (simultaneous radiation grafting) direct ratio direct reaction direct reaction model

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。