“microwave landing system”的概念、定义、翻译、参考文献-科学参考

单词	microwave landing system
释义	microwave landing system Encyclopedia 工学无线电时间导航释 microwave landing system; MLS微波着陆系统工作于微波频段，采用时间式无线电导航测角和询问/回答式双程脉冲测距原理，为飞机提供相对于跑道的方位、仰角、距离信息，以飞机上导出引导数据形式实现飞机主动着陆的无线电导航系统。
随便看	positive supportive reaction positive (symmetric) operator positive symmetric operator positive system of roots positive term positive term series positive trace positive type positive uniaxial crystal positive value positive variation positive variation of a function positive variation of signed measure positive vector positive vector bundle positive vibrating mitigation positive Weyl chamber positive youth development positive zero positivism positivism methodology of psychology positivism policy analysis positivist history positivistic sociology positivist jurisprudence

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。