英语词汇navigational aid怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	navigational aid
释义	navigational aid 美/ ?n?v??ɡe???nl e?d / 简明释义导航设备：任何类型的信号、标记或指导设备，用于帮助旅行者进行导航，通常用于航海或航空旅行。网络释义 1 ?航标航标 2 ?导航辅助设备导航辅助设备 3 [航水运]?导航设备导航设备 4 ?助航设备助航设备短语 1 Air navigational aid 助航设施 2 NAVAID Navigational Aid 导航设施 3 shipborne navigational aid 船载导航设备双语例句 1 Radar apparatus, radio navigational aid apparatus and radio remote control apparatus. 雷达设备、无线电导航设备及无线电遥控设备。 2 The utility model relates to a free-floating light beacon of navigational aid on water in the sea, a river, or a harbor. 本实用新型是一种海、河港口用水上助航活节式灯桩。 3 A radio navigational aid for determining the distance from a selected DME ground station by measuring the time of transmission to and from it. 飞机上的一种无线电导航设备，通过测量电波往返飞机和预选地面（DME）台之间所需要的时间来确定两者间的距离。
随便看	alarm module alarm module alarm monitor alarm monitoring alarm monitoring alarm monitoring system alarm of fire alarm oil pressure alarmone Alarmones alarm operating protection alarm, optical alarm package alarm panel alarm personal dosimeter alarm pheromone alarm pheromone of aleuroglyphus ovatus alarm pheromone of Carpoglyphus lactis alarm pheromone of dermatophagoides farinae alarm pheromone of lardoglyphus konoi alarm pheromone of Rhizoglyphus robini alarm pheromone of Tyrophagus putrescentiae alarm pheromone of tyrophagus similis alarm plate alarm point

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