“FM radio altimeter”的概念、定义、翻译、参考文献-科学参考

单词	FM radio altimeter
释义	FM radio altimeter Encyclopedia 工学无线电频率导航释 FM radio altimeter调频式无线电高度表利用频率调制的无线电信号，通过测量发射信号和经地面反射信号间的差拍频率，获得飞行载体相对地面的垂直距离（即相对高度）的无线电频率测高设备。
随便看	group with a ring of operators group with a semigroup of operators group with center group with multiple operators group with operators group without center group without radical group without torsion group with respect to addition group with respect to a form group with respect to multiplication group with the maximum condition group with the minimum condition group with unique extraction of root group word group Ⅱ-Ⅵ semiconductor group Ⅲ-Ⅴ semiconductor Group ⅧB element Group Ⅷ element grout-enriched vibrated grouting grouting control technology of tunnel and underground engineering grouting deep mixing reinforcement machine grouting in tunnel and underground engineering grouting machinery

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