navigational aid发音

意思翻译

导航辅助设备

相似词语短语

aid───n.援助；帮助；助手；帮助者；vt.援助；帮助；有助于；vi.帮助；n.(Aid)人名；(阿拉伯、印、英)艾德

Digest aid───助消化剂

navigational instrument───导航仪器

emergency aid───紧急援助；紧急救援

collimation aid───准直辅助装置

untying aid───解除援助

legal aid───n.法律援助（指对无钱聘请律师或进行诉讼者给予的经济援助）

aid agencies───援助机构

ex aid───紧急援助

双语使用场景

A radio navigational aid for determining the distance from a selected DME ground station by measuring the time of transmission to and from it.───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。

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。

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。

The navigational aid the pilot was following was valid, but not for the landing procedure at Cali.───飞行员遵守的指示是没有错的，只不过这个指示不是用来在卡利降落而已。

Holding airspace is usually established over the navigational aid;───等待空域通常划设在导航台上空；

Radar, navigational aid and communication device───雷达、导航设备及电讯装置

英语使用场景

A radio navigational aid for determining the distance from a selected DME ground station by measuring the time of transmission to and from it.

A spar buoy is a navigation mark which functions as a navigational aid at sea.

Include: All sorts of equipment of communication equipment, navigational aid, lighting, transformer, accumulator, lamps and lanterns.