Pack ice around Iceland was becoming a threat to navigation. 冰岛周围的浮冰群曾一度对船只航行构成威胁。
They will be helped by the very latest in navigation aids 他们将会受益于最新的导航(NAV)系统。
Tidal wave is a danger to navigation. 海啸对航海来说是一大威胁。
It plays an increasingly important part in meteorology for cloud, precipitation, hail and thunderstorm detection as well as the navigation of aircraft and ships. 它在对云层、降水、冰雹和雷暴的气象探测以及在船舰和飞机的导航(NAV)中,起着日益重要的作用。
The applications of this location technology in in-vehicle navigation system and control center were analyzed by field experiment. 通过实地跑车试验分别分析了该定位技术在车载导航(NAV)系统和监控中心的应用。