navigational aid
基本解释
- 导航辅助设备
英汉例句
- 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。
ip.com - Considered a navigational aid to ships entering the harbor, the statue was first administered by the U.S Lighthouse Board before eventually falling under the jurisdiction of the National Park Service.
它被认为是给进港的船只导航的标志,因此在归于国家公园管理处管理之前它都是在美国灯塔局管理的。 - 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。 - Some countries have laws on the books dating back centuries saying that any navigational aid certified by the government has to be controlled by that government and be based within its territorial borders.
FORBES: Europe Reinvents GPS
双语例句
权威例句
词组短语
- navigational visual aid 目视助航设施
- navigational lighting aid 助航灯光
- shipborne navigational aid 船载导航设备
- NAVAID Navigational Aid 导航设施
- Air navigational aid 助航设施
短语
专业释义
- 导航设备
- 助航设备
- 导航辅助设备
- 导航设备
- 助航设备
- 导航辅助设备
- 导航设备